Question # 1

The sum of the positive and negative peak values is known as.

Choose an answer

Peak value

Average value

Instantaneous value

Peak to peak value

The electric field intensity of a point charge varies.

Choose an answer

Directly as the square of the distance from the charge

Directly as the square of the charge

Inversely as teh distance from the charge.

Inversely as the square of the distance from the charge

In the circult, the ammeter reading is 0.5 A . If the resistance of the voltmeter is 180Ohm What is the voltmeter rediang.

Choose an answer

90 V

100 V

180 V

900 V

When two point charges of equal magnitude and opposite sign exist very close to one another the arrangement is called.

Choose an answer

An electric dipole

An amperian current

A null charge

A neutral source

A straight copper wire a moved in a uniform magnetic field such that it cuts the magnetic lines of force then.

Choose an answer

emf will not be induced

emf will beinduced

sometimes emf will be induced and sometimes not

The number of turns iin the coil increases

With high frequencies capacitive reactance

Choose an answer

Increases

Decreases

Becomes double

Becomes half

The device in the circuit that consume electrical energy are known as.

Choose an answer

Resistors

Capacitors

Fuses

Load

The resistance of a wire does not depend upon.

Choose an answer

Area of cross section of the wire

Length of the wire

Temperature of the wire

Current passing though the wire

A step up transformer has a turn ratio of 1:100 A voltage of 20 V is connected across the primary coil What is the secondary voltage.

Choose an answer

0.2 V

5 V

100 V

2000 V

Which are the following describe the study of static magnetic fields.

Choose an answer

Electrodynamics

Megnetostatic

Electrostatic

Paraamagnetism

In a parallel resonant circuit, at resonance

Choose an answer

Current is maximum

Voltage is maximum

Impedance is minimum

Impedance is zero

In alternating current circuits the quantity which plays the same role as resistance in direct current circuits is called.

Choose an answer

Reactance

Admittance

Conductance

Impedance

At which temperature a ferromagnetic material is converted into a paramagnetic one.

Choose an answer

curie temperature

Boyle's temperature

Natural temperature

Neutral temperaturre

The property of an object that causes it to create a magnetic field in opposition to an externally applied magnetic field is.

Choose an answer

Paramagnetism

Diamagnetism

Ferromagnetism

Demagnetism

Which of the following quantities is analogous to mass in electricty.

Choose an answer

Charge

Potential

Capacitance

Inductance

Induced current in a circuit depends upon

Choose an answer

The speed with which the conductor moves in the magnetic field

Resistance of the loop

Direction of the loop

Shape of the loop

On which factor the self induction does not depends upon.

Choose an answer

Number of turns of the coil

the core material

Weight of the coil

Area of the cross section of the coil

Which of these is not a method of charging.

Choose an answer

Friction or rubbing

Induction

Contact or touching

Convection

A straight wire carrying current will experience a force when place in uniform magnetic field if

Choose an answer

The current and field are parallel

The current and field are at an angle

the current and field are parallel in opposite directions

All of the above

Coulomb found that the mutual force between tow electric charges varies.

Choose an answer

Inversely as the distance

Inversely as the square of the distance

directly as the distance

Directly as the distance squared

Which of the following parameters is irrelevant for a fuse wire.

Choose an answer

Its radius

Current flowing through it.

Its specific resistance

Its length

More Classes

Other Links

PPSC Physics Chapter 6 Electricity and Magnetism 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

Choose an answer

Choose an answer

Choose an answer