# inductors have a high impedance when?

inductors have a high impedance when?

When you increase the number of turns.

## Related questions

Description : can inductors have resistance?

Answer : Yesss every inductor has resistance ... Because it is also made up of good conductor have some value of resistance practicaly But ideal inductor has resistance is zero

Description : An air core transformer has primary and secondary inductors of 8mH and 10 mH respectively. The mutual inductance is 5mH. The coefficient of coupling is  A) 1/8 B) 1/6 C) ¼ D) ½

Description : Maximum power is transferred when load impedance is  A) equal to source impedance B) equal to half of the source impedance C) equal to zero D) none of the above

Description : ECL is the fastest of all logic families. High Speed in ECL is possible because transistors are used in difference amplifier configuration, in which they are never driven into ............... (1) Race condition (2) Saturation (3) Delay (4) High impedance

Answer : Answer: 2  Explanation: Emitter-coupled logic (ECL) is the fastest of all logic families and therefore is used in applications where very high speed is essential. High speeds have become ... configuration, in which they are never driven into saturation and thereby the storage time is eliminated.

Description : When your parents visit your house, you give them more respect than your in-laws. Under these conditions what will be expected by your life? Options: A) She will ask for equal treatment to her parents ... in social status, so have a right of high respect D) She will remain in a neutral position

Answer : A) She will ask for equal treatment to her parents because she gives due respect to your parents

Description : The lossless line of characteristics impedance 300 Ohm is terminated in a pure resistance of 200 Ohm. The value of the standing wave ratio is  (a) 1.5 (b) 0.67 (c) 1.0 (d) 1.25

Answer : The lossless line of characteristics impedance 300 Ohm is terminated in a pure resistance of 200 Ohm. The value of the standing wave ratio is 1.5

Description : If the RF transmission is terminated in its Characteristic impedance Z, which of the following statements is wrong : a. The input impedance of transmission line becomes Zc. b. The transmission line acts as an infinite long transmission line. c. The VSWR becomes one d. The VSWR becomes infinite

Description : A loss less line of characteristic impedance Z0 is terminated in pure reactance of –jZ0 value. VSWR is  (1) 10 (2) 2 (3) 1 (4) Infinity

Answer : A loss less line of characteristic impedance Z0 is terminated in pure reactance of –jZ0 value. VSWR is Infinity.

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

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.

Answer : Among the three configuration, the highest output impedance is obtained by CB.

Answer : Typical loudspeaker impedance rating is 8 ῼ.

Answer : In an RLC parallel circuit, the impedance at resonance is Maximum.

Answer : Intrinsic impedance of free space is given as 377 ῼ.

Description : Capacitors and inductors are commonly used in circuits. Capacitors store electrical energy in the electric field between their plates. How do inductors store energy?

Description : State two types of inductors and give their applications.

Answer : Types of inductors: i) Air cored inductor ii) Iron cored inductor iii) Ferrite cored inductor Air cored inductor: These are used for high frequency application e.g. Radio sets ... radio receiver, wide band pulse transformers, oscillators, signal generators, high frequency amplifiers, etc.

Description : Four inductors each of inductance 1mH are connected in parallel and this combination is connected in series with two inductors each of inductance 1mH. Calculate the equivalent inductance?

Answer : Four inductors each of inductance 1mH are connected in parallel and this combination is connected in series with two inductors each of inductance 1mH. Calculate the equivalent inductance? 2.25 mH

Description : Shunt Inductors are primarily installed in transmission lines to : (A) Improve Power Factor (B) Improve Stability (C) Reduce Ferranti Effect (D) Improve Voltage Profile

Description : Explain the electrical losses of magnetic materials used for the cores of inductors and transformer.

Description : The driving point impedance with poles at ω = 0(zero) and ω = ∞ (infinity) must have the  (a) s term in the denominator and an excess term in the numerator (b) s term in the ... the numerator and denominator (d) s term in the denominator and equal number of terms in the numerator and denominator

Answer : The driving point impedance with poles at ω = 0(zero) and ω = ∞ (infinity) must have the s term in the denominator and an excess term in the numerator

Description : An accurate voltmeter must have an internal impedance of (A) very low value. (B) very high value (C) medium value. (D) zero Value

Answer : An accurate voltmeter must have an internal impedance of very high value

Description : A transmission line has 1 P.0 impedance on a base of 11 KV, 100 MVA. On a base of 55 KV. it will have a P.0 impedance of

Answer : A transmission line has 1 P.0 impedance on a base of 11 KV, 100 MVA. On a base of 55 KV. it will have a P.0 impedance of 0.02 P.U

Description : Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are

Answer : Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 360V and 240V.

Description : Two transformers are connected in parallel. These transformers do not have equal percentage impedance. This is likely to result in?

Answer : Two transformers are connected in parallel. These transformers do not have equal percentage impedance. This is likely to result in loading of the transformers not in proportion to their kVA ratings.

Answer : When a transistor is connected in common emitter mode, it with have medium input resistance and high output resistance.

Description : When a dominant mode wave guide not terminated in its characteristic impedance is excited with a 10 GHZ signal then if d is the distance between two successive minima of the standing wave in the guide then   (A) d = 1.5 cm (B) d is less then 1.5 cm (C) d is greater then 1.5 cm (D) d = 3 cm

Answer : When a dominant mode wave guide not terminated in its characteristic impedance is excited with a 10 GHZ signal then if d is the distance between two successive minima of the standing wave in the guide then d = 1.5 cm

Description : When the load on a transmission line is equal to the surge impedance loading  (a) The receiving end voltage is less than the sending end voltage  (b) The sending end voltage is less than the ... is more than the sending end voltage  (d) The receiving end voltage equal to the sending end voltage

Answer : When the load on a transmission line is equal to the surge impedance loading The receiving end voltage equal to the sending end voltage

Description : Which of the following noise must be considered at high frequencies (microwave frequencies)? (1) Shot noise (2) Random noise (3) Impulse noise (4) Transit time noise

Answer : Which of the following noise must be considered at high frequencies (microwave frequencies)? (1) Shot noise (2) Random noise (3) Impulse noise (4) Transit time noise

Description : Which of the following oscillators is used for generation of high frequency signal ? (a) RC phase shift oscillator (b) Blocking oscillator (c) Wein bridge oscillator (d) L-C oscillator

Answer : LC oscillator is used for generation of high frequency signal.

Description : Low pass filter with cut off frequency of 100 kHz and high pass filter with cut off frequency of 50 kHz are connected in tandem, the resultant filter is Low pass filter with cut off frequency of 100 kHz ... kHz Band pass filter with pass band from 50 kHz to 100 kHz. None of the above.

Answer : Low pass filter with cut off frequency of 100 kHz and high pass filter with cut off frequency of 50 kHz are connected in tandem, the resultant filter is Band pass filter with pass band from 50 kHz to 100 kHz.

Description : Poles which produce high Q factor in active RC filters are  A) On the negative real axis close to origin B) On the negative real axis away from origin C) Complex poles away from imaginary axis D) Complex poles near the imaginary axis

Description : At very high freqencies the type of diode used for rectification is  A) Abrupt junction B) Graded junction C) Point contact D) Tunnel

Description : For fabricating cost effective high valued integrated resistors in IC, the method used is  A) Diffused resistor B) Epitaxial resistor C) Pinched resistor D) Thin film resistor

Answer : The OR gate has one or more high inputs, produces high output

Answer :  In a NOR gate all inputs must be Low to get high output

Answer : Beta in grounded emitter circuit is very high due to base current in small compared to collector current.

Description : Which capacitor is used for high frequency?

Answer : Yes MOSFET can operate at very high frequency.

Description :  _____ is suitable for IOT applications to have low latency or high throughput requirements. A. REST B. Publish-Subscriber C. Push-Pull D. WebSocket

Description : What sort of actions is most likely to be attributed to external causes? (a) Actions that have high distinctiveness, high consensus and high consistency (b) Actions that have high ... consensus and low consistency (d) Actions that have low distinctiveness, low consistency and high consensus

Answer : (d) Actions that have low distinctiveness, low consistency and high consensus

Description : Luxury goods have --- -- degree of elasticity (a) High ; (b) Low ; (c) Moderate ; (d) Completely inelastic

Description : Which one of the following statements most accurately relates the properties of a liquid at room temperature with its vapour pressure? A A liquid with a low vapour pressure will probably have a ... with a high vapour pressure will probably have high intermolecular forces and a low boiling point.

Answer : A A liquid with a low vapour pressure will probably have a high surface tension and a high boiling point.

Description : Which of the following liquid types would have th highest viscosity? w) low molecular mass-polar liquid x) high molecular mass-polar liquid y) low molecular mass-nonpolar liquid d high molecular mass-nonpolar liquid

Description : High-temperature superconductors have been in the news lately. These materials become superconductive at temperatures around w) 200 degrees Fahrenheit x) 100 degrees Fahrenheit y) -150 degrees Fahrenheit z) -350 degrees Fahrenheit

Description : Your body has enough iron in it to make a nail 3 inches long. Anyone who has ever tasted blood knows that it has a slightly metallic taste. This is due to the high levels of iron in the blood. If you ... all of this iron out of the body, you'd have enough to make a small nail and very severe anemia.

Description : Suppose you are an ambitious teacher. You have high ideals for classroom teaching but your hard-labour goes in vain. The reason is that the student's result is not satisfactory. The reason of this ... own level C) Individual differences among the students D) The teaching has no access to students

Answer : Individual differences among the students

Description : Which of the following statements are correct ? 1. There are seven Union Territories in India. 2. Two Union Territories have Legislative Assemblies 3. One Union Territory has a High Court. 4. One Union Territory is the capital of two ... (B) 2 and 4 only (C) 2, 3 and 4 only (D) 1, 2, 3 and 4

Answer : (D) 1, 2, 3 and 4

Description : 1. The Imperial Bank of India, after nationalisation was given the name of which bank? 2. Who is responsible for the sex determination of a child? 3. How many High Courts in India have ... country in Africa has luxurious tropical rain forests? 20. Which was not a kingdom in ancient India?

Answer : Answer : 1. State Bank of India 2. Father 3. 3 4. Red Sea and Mediterranean Sea 5. Swami Dayanand Saraswati 6. Frequency modulation 7. 14th November 8. Timbernrus 9. Regur soil 10. Sanskrit 11. Oparin ... 15. Panini 16. Canning 17. January 25 18. Banana, potato and rice 19. Ivory coast 20. Hampi

Description : A good software design must have (A) High module coupling, High module cohesion (B) High module coupling, Low module cohesion (C) Low module coupling, High module cohesion (D) Low module coupling, Low module cohesion

Answer : (C) Low module coupling, High module cohesion

Description : Leaves of many grasses are capable of folding and unfolding because (1) their mesophyll is not differentiated into palisade and spongy parenchyma (2) they have stomata on both sides of the leaf (3) they have high levels of silica (4) they have specialised bulliform cells

Answer : they have specialised bulliform cells

Description : Gas thermometers are more sensitive than the liquid thermometers because the gases (1) have large coefficient of expansion (2) are lighter (3) have low specific heat (4) have high,specific heat

Answer : have large coefficient of expansion

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