**Description :** When measuring strain, ballast circuit use a capacitor to act as a high pass filter. This is done when: a) Static strain are being measured b) Dynamic strain are being measured c) Both Static and dynamic strain are being measured d) None of the above

**Last Answer :** When measuring strain, ballast circuit use a capacitor to act as a high pass filter. This is done when: Dynamic strain are being measured

**Description :** What is the role of a capacitor in a circuit?

**Description :** The magnitude of the open-circuit and short circuit input impedance of a transmission line are 100 ohm and 25 ohm respectively. The characteristic impedance of line is: (1) 25 ohm (2) 50 ohm (3) 75 ohm (4) 100 ohm

**Last Answer :** The magnitude of the open-circuit and short circuit input impedance of a transmission line are 100 ohm and 25 ohm respectively. The characteristic impedance of line is 25 ohm.

**Description :** What is the direction of flow when charging a capacitor?

**Description :** How do you know when a capacitor is bad?

**Description :** A circuit is connected as shown in the figure with the switch S open. When the switch is closed, the total amount of charge that flows from Y to X is

**Last Answer :** C

**Description :** A single-phase transformer has no-load loss of 64 W, as obtained from an open circuit test. When a short-circuit test is performed on it with 90% of the rated currents flowing in its both LV and HV windings, ... .0% of the rated current (C) 80.0% of the rated current (D) 88.8% of the rated current

**Last Answer :** A single-phase transformer has no-load loss of 64 W, as obtained from an open circuit test. When a short-circuit test is performed on it with 90% of the rated currents flowing in its both ... measured loss is 81 W. The transformer has maximum efficiency when operated at 80.0% of the rated current

**Description :** When the capacitor is completely discharged, where is the energy of the tank circuit stored?

**Last Answer :** Inductor magnetic field

**Description :** What is the voltage drop across the resistor in an RC charging circuit when the charge on the capacitor is equal to the battery voltage?

**Last Answer :** Zero.

**Description :** At what instant does the greatest voltage appear across the resistor in a series RC circuit when the capacitor is charging?

**Last Answer :** At the instant of the initiation of the action.

**Description :** state what happens to the electrons in a capacitor circuit when (a) the capacitor is charging and (b) the capacitor is discharging.

**Last Answer :** a. When the capacitor is charging, electrons accumulate on the negative plate and leave the positive plate until the charge on the capacitor is equal to the battery voltage. b. When the ... the negatively charged plate to the positively charged plate until the charge on each plate is neutral.

**Description :** Consider a DC voltage source connected to a series RC circuit. When the steady-state reaches, the ratio of the energy stored in the capacitor to the total energy supplied by the voltage source is equal to

**Description :** What happens to current flow in a capacitive circuit when the DC voltage across the capacitor is approximately equal to the source voltage?

**Last Answer :** Capacitor always charges up to the voltage of source. When the capacitor is charged to same as source voltage then there is no current flowing through the capacitor. The current through the capacitor is called displacement current.

**Description :** When an alternating potential is applied to a capacitor, the current in the circuit will 1. lead the applied potential 2. lag the applied potential 3. be in phase with the applied potential 4. none

**Last Answer :** When an alternating potential is applied to a capacitor, the current in the circuit will lead the applied potential

**Last Answer :** If the centrifugal switch of a two-value capacitor motor using two capacitors fails to open then Electrolytic capacitor will, in all probability, suffer break down.

**Description :** A circuit is disconnected by isolators when (a) line is energized (b) there is no current in the line (c) line is on full load (d) circuit breaker is not open

**Last Answer :** (b) there is no current in the line

**Last Answer :** BJT act as switch in saturation and cutoff region ( ON state in saturation region and OFF state in cut-off region )

**Last Answer :** Active region of BJT act as amplifier.

**Description :** A quarter wave line open circuited at far end behaves as: (1) Inductance (2) L and C in parallel (3) Capacitance (4) L and C in series

**Last Answer :** A quarter wave line open circuited at far end behaves as: L and C in series.

**Description :** As compared to a closed loop system an open loop system is (a) more stable as well as more accurate (b) less stable as well as less accurate (c) more stable but less accurate (d) less stable but more accurate

**Description :** A capacitor and coil in parallel is called

**Last Answer :** 1. A tuned circuit

**Last Answer :** A dielectric material is placed in between the plates of a capacitor, it Increases the capacitance.

**Last Answer :** In a power supply a shorted input capacitor is likely to result in No voltage output.

**Last Answer :** A capacitor stores energy in Dielectric dipole

**Last Answer :** The capacitor charging current is An exponential growth function

**Last Answer :** The voltage across a capacitor Lags the current through it by 90

**Last Answer :** For a pure capacitor, the voltage-current relationship is: Voltage lags current by 90*

**Description :** What are the characteristics of a capacitor?

**Description :** Which capacitor is used for high frequency?

**Description :** Why shunt capacitor is used?

**Last Answer :** To improve voltage at receiving end and power factor

**Description :** Why capacitor bank is used?

**Last Answer :** In industrial or factory used E.B Power supply must be maintained above 0.90 power factor is compulsory for avoid EB Penalty. So APFC ( automatic Power factor control ) panel is used to maintained balance the load and PF maintained.

**Description :** What is the basic use of capacitor?

**Description :** What is the basic function of a capacitor?

**Description :** How do you discharge a capacitor in a microwave?

**Description :** How do you charge a capacitor with a battery?

**Last Answer :** The capacitor is connected in parallel with the battery.

**Description :** What is the symbol of a capacitor?

**Last Answer :** symbol of a capacitor

**Description :** How do I discharge a capacitor?

**Description :** Which side of a capacitor is negative?

**Last Answer :** In electrolytic type negative is shorter lead and usually mark in the tank. But of course not applicable to non-polar.

**Description :** How do you test a capacitor with a multimeter?

**Description :** does capacitor store energy ?

**Last Answer :** yes capacitor stores energy

**Description :** which capacitor stores more charge ?

**Last Answer :** supercapacitor

**Description :** what does a capacitor do?

**Last Answer :** It store energy in.the form of charges It allows AC but restricted DC

**Description :** . What characteristic of an RL circuit allows it to act as an integrator?

**Last Answer :** The ability of the inductor to oppose a change in current.

**Description :** transmission line has reflection coefficient as one. (a) Open circuit (b) Short-circuit (e) Long (d) None of the above

**Last Answer :** (a) Open circuit

**Description :** In a PN-junction with open circuit terminal (equilibrium), with P doping higher as compared to N doping (A) N-side depletion region is small as compared to p-side depletion region (B) N-side ... depletion region (C) N-side depletion region is same as p-side depletion region (D) Cannot say

**Last Answer :** In a PN-junction with open circuit terminal (equilibrium), with P doping higher as compared to N doping N-side depletion region is small as compared to p-side depletion region

**Description :** The transient current in lossless L-C circuit when excited from an AC source is, sine wave (a) Critically damped (b) Underdamped (c) Overdamped (d) Undamped

**Last Answer :** The transient current in lossless L-C circuit when excited from an AC source is, sine wave Undamped

**Description :** In a 3-phase converter circuit during commutation when one SCR in one phase is turned on to turn-off an SCR in another phase, results in (A) voltage notching (B) harmonic distortion (C) voltage sag (D) voltage swell

**Last Answer :** In a 3-phase converter circuit during commutation when one SCR in one phase is turned on to turn-off an SCR in another phase, results in voltage notching

**Description :** The current in a circuit with resistance in 6 amp. When an additional resistance of 4 ohms is inserted the current drops to 4 amp. The original resistance in ohms is

**Last Answer :** The current in a circuit with resistance in 6 amp. When an additional resistance of 4 ohms is inserted the current drops to 4 amp. The original resistance in ohms is 8.

**Description :** What is the term for the number of times per second that tank circuit energy is either stored in the inductor or capacitor?

**Last Answer :** Natural frequency or resonant frequency (f r).