Question # 1

Potentiometer is used to.

Choose an answer

Compare emf of two cells

Detect internal resistance of cell

Measure P.D.

All of these

Photons emitted in inner shell transition are.

Choose an answer

Continuous X -rays

Discontinuous X rays

Characteristic X rays

Energetic X rays

The input resistance of an op amplifier is.

Choose an answer

Low

High

Zero

Equal to output resistance

If we make magnetic field stronger the value of induced current is.

Choose an answer

Decreased

Increased

Vanishes

Remain constant

The absolute electric potential at a point distance 20 cm from a charge of 2 uC is.

Choose an answer

9 x 10² V

9 x 10³ V

9 x 10⁴ V

9 x 10 ⁵ V

The internal resistance of a capacitor is called:

Choose an answer

Impedance

Resistance

Reactance

Conductance

When Ohm meter gives full scale deflection it indicates.

Choose an answer

Zero resistance

Infinite resistance

Small resistance

Very High resistance

Truth table of logic function.

Choose an answer

Summarize its output values only

Tabulates all its input conditions only

Display all its input and output possibility

Is not base on logic algebra

The "toner" of photocopier is given:

Choose an answer

Positive charge

Negative charge

Remains neutral

All of above

Wave nature of light appears in

Choose an answer

Pair production

Compton effect

Photo electric

Interference

One joule of energy absorbed per kilogram of a body is

Choose an answer

Roentgen

Grey

Rem

Curie

In case of op-amp as an inverting amplifier, V₊ - V_- = 0, this is because

Choose an answer

Open gain loop is very low

Closed loop gain is very high

Open loop gain is very high

Both (a) and (a)

If 1 x 10⁷ electrons passes through a conductor in 1.0 micro second , then the current is.

Choose an answer

2 A

1.6 A

2.6 x 10^-6 A

1.6 x 10^-6 A

For inducing emf in a coil the basic requirement is that:

Choose an answer

Flux should link the coil

Change in flux should link the coil

Coil should form a closed loop

Both (b) and (c) are true

Eddy current is produced when:

Choose an answer

A metal is light in varying magnetic field

A metal is kept in steady magnetic field

A circular coil is placed in a steady magnetic field

A current is passed through a circualr coil

The reverse saturation current in a PN junction diode is only due to:

Choose an answer

Majority carriers

Minoritycarriers

Acceptor ions

Donor ions

When a coil is moved in a uniform magnetic field, an induced emf is produced due of change in

Choose an answer

Flux density

Electric flux

Magnetic flux

Magnetic field strength

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Choose an answer

5A

2.5A

5√2A

5²

More Classes

Other Links

Physics ICS Part 2 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

Choose an answer