Question # 1

The electric intensity at infinite distance from the point charge will be

Choose an answer

Infinite

Positive

Zero

Negative

If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be

Choose an answer

0.1 watt

1 watt

10 watt

100 watt

For two resistance wires joined in parallel, the resultant resistance is 6/5 ohm. When one of the resistance wire breaks, the effective resistance becomes 2 ohm. The resistance of the broken wire is

Choose an answer

3/5 ohm

2 ohm

6/5 ohm

3 ohm

The SI unit of electric flux is

Choose an answer

Weber

Nm²C^-1

NmC^-1

Nm^-2C

A wire is bent into a ring of radius R is given a charge q. The magnitude of the electrical field at the centre of the ring is

Choose an answer

Two

1/2

Zero

3/2

In a voltmeter the conduction takes place due to

Choose an answer

Electrons only

Holes only

Electrons and holes

Electrons and ions

The force between two chares 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become

Choose an answer

7.20 N

11.25 N

22.50 N

45.00

The charge carriers in gases are

Choose an answer

electrons

ions

protons

ions and electrons

In case of a parallel plate capacitor if the plate separation is doubled and plate area is halved, the capacitance becomes

Choose an answer

Four-fold

One-half

One-fourth

Zero

In bringing an electron towards another electron, electrostatic potential energy of system

Choose an answer

Decreases

Increases

Remains uncharged

Becomes zero

Ohm established a relation between

Choose an answer

voltage and resistance

voltage and charge

voltage and current

voltage resistance and charge

A one microfarad capacitor of a TV is subjected to 4000 V potential difference. The energy stored in capacitor is

Choose an answer

8 J

16 J

4 x 10^-3J

2 x 10^-3J

If a charged spherical conductor of radius 10 cm has potential V at a point distance 5 cm from its centre, then the potential at a point distance 15 cm from the centre will be

Choose an answer

1/3 V

2/3 V

3/2 V

3V

Free electrons are

Choose an answer

tightly bound

fixed

loosely bound

tightly fixed

If the distance between the plates of a parallel plate condenser of capacity 10μF is doubled then new capacity will be

Choose an answer

5μF

20μF

10μF

15μF

A charge of 0.1 c accelerated through a potential difference of 1000V acquires kinetic energy

Choose an answer

200 J

100 J

1000 J

400 J

More Classes

Other Links

ECAT Physics Chapter 12 Electrostatics Online 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