Download Aptitude Crack
img not found img not found

Inductors

Q1:

When current in an inductor starts to change, it cannot react instantly due to:

A fixed coil resistance

B eddy current generation

C applied emf of the circuit

D the counter emf of the coil

ANS:D - the counter emf of the coil

Inductor reacts against to the current. Applying voltage to its terminals it will produce a current that will then creates a magnetic field. This E-field tend to 'stop' the current.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.