TasDia Network
TasDia Network

MCQs 1: In case all the flux from the current in coil 1 links with coil 2, the co-efficient of coupling will be____________?

2.0 1.0 0.5 zero
Answer Explanation

MCQs 2: A 200 turn coil has an inductance of 12 mH. If the number of turns is increased to 400 turns, all other quantities (area, length etc.) remaining the same, the inductance will be___________?

6 mH 14 mH 24 mH 48 mH
Answer Explanation

MCQs 3: The self inductances of two coils are 8 mH and 18 mH. If the co-efficients of coupling is 0.5, the mutual inductance of the coils is______________?

4 mH 5 mH 6 mH 12 mH
Answer Explanation

MCQs 4: In case of an inductance, current is proportional to___________?

voltage across the inductance magnetic field both A. and B. neither (A) nor (B)
Answer Explanation

MCQs 5: For a purely inductive circuit which of the following is true ?

Apparent power is zero Relative power is.zero Actual power of the circuit is zero Any capacitance even if present in the circuit will not be charged
Answer Explanation

MCQs 6: An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be______________?

64 A/s 32 A/s 16 A/s 4 A/s
Answer Explanation

MCQs 7: Two coils have inductances of 8 mH and 18 mH and a co-efficient of coupling of 0.5. If the two coils are connected in series aiding, the total inductance will be______________?

32 mH 38 mH 40 mH 48 mH
Answer Explanation

MCQs 8: The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be_____________?

3 mH 12 mH 24mH 48mH
Answer Explanation

MCQs 9: Which of the following is unit of inductance ?

Ohm Henry Ampere turns Webers/metre
Answer Explanation

MCQs 10: Which of the following circuit elements will oppose the change in circuit current ?

Capacitance Inductance Resistance All of the above
Answer Explanation

Related Topics

About Us | Contact Us | Privacy Policy
ABOUT US
Category
Who We Are

TasDia Network, this platform not only provides you the best educational stuff but besides this, we are creating thousands of new ideas to making your signature and planning much more on a single platform.

© 2020-2023, TasDia Network

All rights of the publication are reserved by tasdia.com.