Question # 1

Phase difference between V and I of an A.C through resistor is.

Choose an answer

Zero Degree

90 ^o

80^o

120^o

High frequency radio wave is called as

Choose an answer

Fluctuate

Carrier wave

Matter wave

Mechanical wave

In RLC circuit the energy is dissipated in

Choose an answer

R only

R and L

R and C

L and C

In three phase A.C supply coils are inclined at an angle of.

Choose an answer

0^o

90^o

120^o

80^o

The circuit which compares the two voltages is.

Choose an answer

LDR

Sensor

Comparator

Logic gate

At high frequency, the current through a capacitor is

Choose an answer

Small

Infinity

Zero

Large

In Series resonance circuit the impedance of circuit art resonance frequency, is

Choose an answer

Maximum

Minimum

It is unequal to R

None of above

Radio frequency choke is

Choose an answer

Iron cored

Air Cored

Air as well as iron cored

None of these

The condition of resonance is:

Choose an answer

XL = 1/2 Xc

X_L = X_c

X_c = 4_x2

None of above

The unit of impedance is.

Choose an answer

Henry

Hertz

Ampere

Ohm

During each cycle A.C. voltage reaches a peak value.

Choose an answer

Once

Twice

Thrice

Four time

Xc =

Choose an answer

1/2πfc

2πfc

2π/fc

fc/2π

A resistance frequency the impedance of RLC parallel circuit is.

Choose an answer

Zero

Infinite

Maximum

Minimum

The internal resistance of a capacitor is called:

Choose an answer

Impedance

Resistance

Reactance

Conductance

The phase difference between current and voltage in an inductive circuit is.

Choose an answer

zero

90 ^o

180 ^o

45^o

In purely resistive A.C circuit, instantaneous value of voltage and current:

Choose an answer

Current lags behind voltage

Current leads voltage by π/2

Both are in Phase

Voltage leads current by Pase θ=π/2

In A.C circuit through a capacitor which one is:

Choose an answer

Current leads voltage by 90^∘

Current lags behind voltage by 90^∘

Both will be in phase

None of above

More Classes

Other Links

Physics ICS Part 2 Chapter 16 Online MCQ's Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer