Question # 1

Two resistance of 2 Ohm each are connected in parallel combination equivalent resistance will be.

Choose an answer

4 Ohm

2 Ohm

1 Ohm

8 Ohm

The current flowing through each resistor of equal resistance in parallel combination is.

Choose an answer

Same

Different

Zero

Infinite

The potential difference between the head and tail of an electrical to

Choose an answer

600 Volt

700 Volt

800 Volt

900 Volt

The head produced by the passage of current through a resistor is.

Choose an answer

H= I²Rt

H = IR²t

H = 1/Rt

H = I²/Rt

Heat sensitive resistors are called.

Choose an answer

resistors

Capacitor

Thermistors

Inductors

A battery move a charge of 40 C around a circuit at constant rate in 20 Sec. The current will be.

Choose an answer

2 A

0.5 A

80 A

800 A

Three resistors of resistance R each are combined in various ways, Which of the following cannot be obtained?

Choose an answer

3 RΩ

2R /4Ω

R/3Ω

2R /3Ω

A certain wire has a resistance R, the resistivity of an other wire of an identical material with the first, except for twice its diameter is.

Choose an answer

1/4 R

4R

2R

Same as R

Resistivity at a given temperature depends upon.

Choose an answer

Area of cross section

Length

Nature of material of conductor

Both length and area

When a wire is stretched and its radius becomes r/2, then its resistance will be

Choose an answer

16 R

4 R

2R

0

The product of resistance and conductance is

Choose an answer

1

Resistivity

Conductance

Zero

The powers of two electric bulbs are 100w and 200w. Which are connected to power supply of 220 V. The ratio of resistance of their filament will be:

Choose an answer

1:2

2:1

1:3

4:3

Heat generated by a 40 W bulb in one hour is.

Choose an answer

140 J

1440 J

14400 J

144000 J

Magnetic effect of current is used in.

Choose an answer

Toaster

Electric iron

Electric motor

D.C. Battery

The free electrons experience force.

Choose an answer

In direction of -E

In direction of E

Both A and B

All of the above

Drift velocity of electrons is.

Choose an answer

10^-1 m/s

10^-2 m/s

10^-3 m/s

10³ m/s

Resistance tolerance of silver band is.

Choose an answer

10%

6%

7%

5%

The value of maximum output power is?

Choose an answer

E/4R

E²/4R

E/4R²

Non of above

More Classes

Other Links

Physics FSC Part 2 Chapter 13 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