Question # 1

The fraction change in resistance per Kelvin is known as:

Choose an answer

Temperature coefficient of Resistance

Coefficient of voltage of change

Thermal expansion

All of the above

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

5 A of current flows through a conductor in 2 minutes, charge in the wire is.

Choose an answer

500 C

600 C

400 C

10 C

Kirchhoff's first rule is the manifestation of the law of conservation of.

Choose an answer

Mass

Charge

Energy

Momentum

Seven resistances are connected as shown in the figures . THe equivalent resistance between A and B is:

Choose an answer

3Ω

4Ω

4.5Ω

5Ω

The value of maximum output power is?

Choose an answer

E/4R

E²/4R

E/4R²

Non of above

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

If a charge Q flows through any cross section of the conductor in time t, the current I is

Choose an answer

I=Qt

A substance having the negative temperature co efficient of resistivity out of the following is.

Choose an answer

Carbon

Iron

Tungsten

Gold

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

Choose an answer

140 J

1440 J

14400 J

144000 J

Semiconductor diodes are called:

Choose an answer

Ohmic

non ohmic

Both a & b

none of above

The resistivity of --------------------decrease with the increase in temp

Choose an answer

Gold

Silver

Copper

Silicon

In gas the charge carriers are:

Choose an answer

Electrons

Ions

Both a & b

None of above

mho -m-1 is the unit of.

Choose an answer

Resistance

Resistivity

Conductance

Conductivity

Magnetic effect of current is used in.

Choose an answer

Toaster

Electric iron

Electric motor

D.C. Battery

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

Choose an answer

Same

Different

Zero

Infinite

Kirchhoff's voltage rule is a way of stating conservation of.

Choose an answer

Mass

Charge

Energy

Momentum

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

More Classes

Other Links

Physics ICS 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