search
person

1 Answer

The capacity of capacitor is added and it becomes multiple of no of capacitors capacity
thumb_up_alt 0 like thumb_down_alt 0 dislike

Related questions

Description : How will the total capacitance change, when two capacitors are connected in parallel?

Answer : The  capacitance  will  increase  if  connected  in  parallel  because  it  will  be  like  you  have  increase  surface  area  of  a  plate  by  connecting  it  to   another.

Description : Three capacitors 15µf, 18µf and 12µf are connected in a circuit. Find equivalent capacitance when they are connected in – 1) Series 2) Parallel

Answer : Ans: Value of equivalent capacitance: Given: C1= 15μF, C2=18 µF, C3= 12µF  i)For Series combination of capacitors: 1/Cs = (1/C1)+( 1/C2) +(1/C3) = (1/15)+( 1/18)+( 1/12) 1/Cs = 0.0666+0.0555+0. ... Cs = 4.868 µF   ii) For parallel combination of capacitors: Cp = C1 + C2 + C3 = 15 +18+ 12 = 45 µF 

Description : what will be the capacitance if three capacitors connected in parallel each having value of 0.5 micro Farad ?

Answer : the total capacitace when connected in parallel Tc=total capacitor c1=c2=c3=0.5uf Tc=c1+c2+c3 Tc=1.5uf

Description : If a cell connection is reversed in parallel group, what will happen? A. Open circuit B. All cells will be equally charged C. short circuit D. Nothing will happen 

Answer : If a cell connection is reversed in parallel group, what will happen?  Open circuit

Description : What will happen if the primary of a transformer is connected to D.C. supply?  (A) Transformer will operate with low efficiency (B) Transformer will operate with high efficiency (C) No effect (D) Transformer may start to smoke and burn 

Answer : What will happen if the primary of a transformer is connected to D.C. supply?  (A) Transformer will operate with low efficiency (B) Transformer will operate with high efficiency (C) No effect (D) Transformer may start to smoke and burn 

Description : Equivalent capacitance ‘C’ of a system of capacitors C1,C2,C3 connected in parallel is

Answer : Equivalent capacitance ‘C’ of a system of capacitors C1,C2,C3 connected in parallel is C = C1+C2+C3

Description :

Answer : Two capacitors connected in parallel results in More capacitance.

Description : what is equivalent resistance when four 4 Ohm resistors are connected in i) series ii) parallel

Answer : equivalent resistance

Description : Which of the following will happen if a voltmeter is connected like an ammeter in series to the load ? (A) There will be almost no current in the circuit. (B) The meter will burn. (C) The measurement will be trio high. (D)  A very high current will flow.

Answer : Which of the following will happen if a voltmeter is connected like an ammeter in series to the load ? (A) There will be almost no current in the circuit. (B) The meter will burn. (C) The measurement will be trio high. (D)  A very high current will flow.

Description : What will happen if a voltmeter is connected like an ammeter in series of the load ? (a) The meter will burn out. (b) The measurement will be too high. (c) The same current will flow as would have been with ammeter in circuit. (d) There will be almost no current in the circuit. 

Description : Three lamps are connected in parallel across a 120 Volt source. If one lamp burns out, the remaining two will be: A. Glow dimmer B. Glow brighter C. Not light D. Glow with the same brightness as before

Answer : Glow with the same brightness as before 

Description :

Answer : Three elements having conductance G1 , G2 and G3 are connected in parallel. Their combined conductance will be  G1 + G2 +G3

Description : When two 100 kΩ resistors are connected in parallel, net resistance is

Answer : When two 100 kΩ resistors are connected in parallel, net resistance is 50 kΩ

Description : When four resistances of 2W 1W; 5W 2W; 10W 5W and 15W 10 W are connected in parallel, the greatest power is absorbed by • 2 W, 1 W • 5 W, 2 W • 10 W, 5W • 15 W, 10 W

Answer : When four resistances of 2W 1W; 5W 2W; 10W 5W and 15W 10 W are connected in parallel, the greatest power is absorbed by 2 W, 1 W

Description : When three resistors with unequal values are connected in parallel, _______ A) The current across the resistors is the same  B) The voltage drop across the resistors is the same C) The voltage drops across the resistors is proportional to the resistance of each resistor D) None of these

Answer : When three resistors with unequal values are connected in parallel, The voltage drop across the resistors is the same

Description : When ‘n’ resistances each of value ‘r’ are connected in parallel, then the resultant resistance is ‘x’. When these ‘n’ resistances are connected in series, total resistance is  (A) n2X (B) X/n (C) n2/X (D) nX2

Description : When n resistances each of value r are connected in parallel, then resultant resistance is x. When these n resistances are connected in series, total resistance is

Answer : When n resistances each of value r are connected in parallel, then resultant resistance is x. When these n resistances are connected in series, total resistance is n2 x.

Description : What would happen if a power transformer designed for operation on 50 Hz (frequency) were connected to a 500 Hz (frequency) source of the same voltage:  (A) Eddy Current and Hysteresis losses will be excessive  (B) Current will be too much high  (C) Transformer may start to smoke and burn  (D) No effect

Answer : What would happen if a power transformer designed for operation on 50 Hz (frequency) were connected to a 500 Hz (frequency) source of the same voltage:  (A) Eddy Current and Hysteresis losses will be ... will be too much high  (C) Transformer may start to smoke and burn  (D) No effect

Description : A zinc plate is attached to the knob of a negatively charged electroscope. What will happen to the leaves of the electroscope when ultraviolet light is shown on the zinc plate. Will the leaves: w) collapse at once x) gradually come together y) gradually spread further apart z) remain unaffected

Answer : ANSWER: X -- GRADUALLY COME TOGETHER

Description : What will happen when a DC shunt motor is started with a load?

Answer : Starting current will be very high so motor will take more current from supply. It may damage the armature winding.

Description : what will happen when excitation of an unloaded salient pole synchronous motor suddenly gets disconnected?

Answer : When excitation of an unloaded salient pole synchronous motor suddenly gets disconnected the motor will stop.

Description : A 20 ohm resistor and a 60 ohm resistor are connected in parallel to a voltage source. If the current in the 60 ohm resistor is one ampere, the current in the 20 ohm resistor will be: w) 1/3 ampere x) 2/3 ampere y) 1 ampere z) 3 amperes

Answer : ANSWER: Z -- 3 AMPERES

Description : A wire of resistance R is cut into ‘n’ equal parts. These parts are then connected in parallel. The equivalent resistance of the combination will be

Answer : R/n2

Description : When two synchronous machines are connected in parallel the synchronizing power tends to (A) accelerate the faster machine (B) retard the faster machine (C) retards the slower machine (D) pull the faster machine out of step

Description : When two transformer of different kVA rating are connected in parallel they share the load in proportion to their respective kVA rating only when their:

Answer : When two transformer of different kVA rating are connected in parallel they share the load in proportion to their respective kVA rating only when their: P u impedance are equal

Description :

Answer : When two D.C. series motors are connected in parallel, the resultant speed is normal speed.

Description : Do capacitors in parallel have the same voltage?

Answer : Not same but we will get addition of both values when capacitors are connected in parallel...

Description : When an additional resistor is connected across an existing parallel circuit, the total resistance: A. remains the same B. decreases by the value of the added resistor C. increases by the value of the added resistor D. decreases

Answer : When an additional resistor is connected across an existing parallel circuit, the total resistance: decreases

Description :

Answer : Ammeter is a current measuring device having low internal resistance so as to direct all the current flowing in the circuit through it. Hence Ammeter is always connected in series with the circuit. If ... If Ammeter is connected in parallel with the supply, then the supply will be a short circuit.

Description : Three capacitors with different capacitances are connected in series. Which of the following statements is TRUE? w) All three of the capacitors have the same potential difference between their plates. x) The magnitude of the charge is the same on all of the capacitor plates. y) The capacitance of the system depends on the voltage applied across the three capacitors.

Answer : ANSWER: X -- THE MAGNITUDE OF THE CHARGE IS THE SAME ON ALL OF THE CAPACITOR PLATES

Description : A battery of 40 V and three capacitors of 1000 μF, 500 μF and 100 μF are all connected in (I) parallel and (II) series. The ratio of total charge stored in case I to that in case II is approximately  (a) 3 : 64 (b) 64 : 3 (c) 160 : 3 (d) 104 : 5

Answer : A battery of 40 V and three capacitors of 1000 μF, 500 μF and 100 μF are all connected in (I) parallel and (II) series. The ratio of total charge stored in case I to that in case II is approximately 104 : 5

Description : What is the charge on each capacitor when a 150 V is applied across two capacitors with values 5 μF and 10 μF, connected in series? A) 500 μC B) 0.5 μC C) 0.5 C D) None of these

Answer : What is the charge on each capacitor when a 150 V is applied across two capacitors with values 5 μF and 10 μF, connected in series? A) 500 μC B) 0.5 μC C) 0.5 C D) None of these

Description : 1. If a ship moves from freshwater into seawater, what will happen? 2. Which was the first National Security Advisor of India who died recently? 3. What is the first compound which is fixed during photosynthesis? 4. At low elevation which cloud are to be found? 5. During which reign did both Vardhaman Mahavira and Gautama Buddha preach their doctrines? 6. Which Union Territory attained statehood in February, 1987 ? 7. The escape velocity from the surface of the earth does not depend on which body? 8. In India, which first bank of limited liability managed by Indians and founded in 1881? 9. Which colour types do not indicate fair or fine weather? 10. What is the name by which Ashoka is generally referred to in his inscriptions? 11. A. Nageshwara Rao is associated with which field? 12. To which are Phototrophic and Geotropic movements linked? 13. On which date was the State of Bombay was bifurcated into Maharashtra and Gujarat? 14. A place having an average annual temperature of 27°C and an annual rainfall of over 200 cm.where is this? 15. Which region did not form the part of Ashoka's empire? 16. Which is the most unreactive gas? 17. When was Inter-Governmental Authori on Development come into existence? 18. Which rural bank has been named after a river? 19. In which type of climate does the temperature never rise above 10°C throughout the year? 20. Which Gupta ruler was equally great in the art of peace, wars and personal accomplishment?

Answer : Answer : 1. It will rise a little higher 2. Brajesh Mishra 3. Glucose 4. Nimbus 5. Bimbisara 6. Goa 7. Mass of the body 8. Oudh Commercial Bank 9. Cumulonimbus 10. Priyadarsi 11. A. Motion ... 15. Madras 16. Hydrogen 17. 21st March, 1996 18. Varada Grameen Bank 19. Tundra Climate 20. Chandragupta-II

Description : What will happen if the induction motor runs at synchronous speed ?

Answer : Since there is always slip present in rotor it cannot run at synchronous speed no current will be developed hence no torque will developed

Description : N resistors of each of resistance R when connected in series offer an equivalent resistance of 50 ohm and when reconnected in parallel the effective resistance is 2 ohm the value of R is

Description : A 30ohm resistance is connected in parallel with a resistor whose ohmic value is unknown.if thetotal current taken us 10.5s ,when the circuit voltage is210v,calculate the resistance

Description : Loop unrolling is a code optimization technique: (A) that avoids tests at every iteration of the loop (B) that improves performance by decreasing the number of instructions in a basic block. (C) that exchanges inner loops with outer loops (D) that reorders operations to allow multiple computations to happen in parallel.

Answer : (A) that avoids tests at every iteration of the loop

Description : Two heater wires of equal length are connected first in series and then in parallel. The ratio of heat generated from series to parallel connection will be (a) 4 : 1 (b) 2 : 1 (c) 1 : 2 (d) 1 : 4

Description : Three resistors of 4 Ω, 6 Ω and 9 Ω are connected in parallel. Which resistor consumes the maximum power?  (A) 4 Ω (B) 6 Ω (C) 9 Ω (D) 17 Ω

Answer : (c) 9 ohm

Description :

Answer : If two resistances of 10 Ω and 10 Ω are connected in parallel the equivalent resistance is 5 Ω.

Description : Four identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be

Answer : Four identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be  1 / 16 times.

Description :

Answer : Loud Speakers are always connected in parallel on Both of them.

Description : why the electrical appliances are connected in parallel ?

Answer : If the appliances connected in series if one of the appliances fails to work other appliances also doesn't work because the current doesn't flow in the appliances.so ,we connect appliances in parallel that if any one of the appliances fails to work it doesn't effect other appliances .

Description : X and y are two trains of length 500m and 400m run on parallel lines. When they run in the same direction it will take 60 sec to cross each other. When they run in opposite direction, it will take 20 sec to cross each other. Find the speed of 2 trains (in km/hr) A) 116 and 42 km/hr B) 54 and 78km/hr C) 104 and 60km/hr D) 108 and 54km/hr

Answer :  ANSWER : D Explanation:  Let the speed of 2 trains be a1 and a2  Total distance covered to cross each other = (500 + 400)m  = 900m  When they run in the same direction,  Relative speed = a1 - a2  = 900 /60 ... hr  a 2= (15 * 18 / 5)m/s  = 54km/hr  Speed of two trains are 108 and 54 km/hr

Description : The effective capacitance of four, 5-microfarad capacitors connected in series is: w) 0.20 microfarad x) 0.5 microfarad y) 1.0 microfarad z) 1.25 microfarad

Answer : ANSWER: Z -- 1.25 MICROFARAD

Description : A five ohm and a ten ohm resistor are connected in parallel, what single resistance is "equivalent" to this combination? 

Answer : ANSWER: 3 AND 1/3 OHM

Description : A two farad and a four farad capacitor are connected in parallel. What single capacitance is "equivalent" to this combination? 

Answer : ANSWER: 6 FARADS

Description : A 10 ohm and a 20 ohm resistor are connected in parallel to a current source. What fraction of the current flows through the 20 ohm resistor? w) 1/2 x) 1/3 y) 2/3 z) 3/4

Answer : ANSWER: X -- 1/3

Description : If a three farad capacitor and a six farad capacitor are connected in parallel, what is their equivalent capacitance?

Answer : ANSWER: 9 FARADS

← Prev Question Next Question →
editAsk a Question
...