## An inductor may store energy in ________________?

An inductor may store energy in ________________?

A. Its electric field
B. Its coils
C. Its magnetic field
D. Both electric and magnetic fields

## Two identical coaxial circular loops carry equal currents in the same direction. If the loops approach each other the current in______________?

Two identical coaxial circular loops carry equal currents in the same direction. If the loops approach each other the current in______________?

A. Each increase
B. Each decrease
C. Each remains the same
D. One increases whereas that in the other decreases

## A voltage V = V0 cos ωt is applied across a resistor of resistance R the average power dissipated per cycle in the resistor is given by___________?

A voltage V = V0 cos ωt is applied across a resistor of resistance R the average power dissipated per cycle in the resistor is given by___________?

A. V√/√2R
B. V/√2√R
C. V02/√2R
D. 2/√2√R

## n an LCR series circuit, if V is the effective value of the applied voltage VR is the voltage across R VL is the effective voltage across L & Vc is the effective voltage across C then_______________?

n an LCR series circuit, if V is the effective value of the applied voltage VR is the voltage across R VL is the effective voltage across L & Vc is the effective voltage across C then_______________?

IA. V = VR+VL+VC
B. V2 = VR2+VL2+VC2
C. V2 = VR2+(VL-VC)2
D. V2 = VL2+(VR-VC)2

## The phase angle between the voltage and the current in an AC circuit consisting of a resistance is______________?

The phase angle between the voltage and the current in an AC circuit consisting of a resistance is______________?

A. Zero
B. 45°
C. 90°
D. 180°

## Choose the correct statement. In the case of AC circuit ohms law holds for_______________?

Choose the correct statement. In the case of AC circuit ohms law holds for_______________?

A. Peak values of voltage and current
B. Effective values of voltage and current
C. Instantaneous values of voltage and current
D. All of the above

## An inductive coil has a resistance of 100Ω. When an AC signal of frequency 1000Hz is fed to the coil the applied voltage leads the current by 45Ω. What is the inductance of the coil ?

An inductive coil has a resistance of 100Ω. When an AC signal of frequency 1000Hz is fed to the coil the applied voltage leads the current by 45Ω. What is the inductance of the coil ?

A. 10mH
B. 12mH
C. 16mH
D. 20mH

## An A.C series circuit containing 4Ω resistance and 3Ω inductive reactance. The impedance of the circuit is______________?

An A.C series circuit containing 4Ω resistance and 3Ω inductive reactance. The impedance of the circuit is______________?

A. 1Ω
B. 5Ω
C. 7Ω
D. 7Ω

## At resonance the value of the power factor in an L-C-R series circuit is_______________?

At resonance the value of the power factor in an L-C-R series circuit is_______________?

A. Zero
B. 2
C. 1
D. Not definite

## A choke is used as a resistance in_________________?

A choke is used as a resistance in_________________?

A. DC circuit
B. AC circuits
C. Both AC and DC circuit
D. Full wave rectifier circuit