Question # 1

For non-ohmic devices, the graph between V and I is

Choose an answer

Not a straight line

A straight line

A curve

All of above

Resistance tolerance for gold colour is.

Choose an answer

50%

30%

20%

5%

Magnetic effect of current is used

Choose an answer

To detect a current

To measure a current

In electric motor

All of above

An ideal current source shall have resistance

Choose an answer

Zero

Finite but not zero

Infinite

Depend upon requirement

The thermistors convert changes of temperature into.

Choose an answer

Light energy

Electric voltage

Heat

Sound

Semiconductor diodes are called:

Choose an answer

Ohmic

non ohmic

Both a & b

none of above

If the resistance of 500 Ohm have fourth band of silver colour then its upper maximum resistance will be.

Choose an answer

600 Ohm

550 Ohm

450 Ohm

400 Ohm

A charged conductor has charge on its.

Choose an answer

Inner surface

Outer surface

Middle surface

Surrounding space

Magnetic effect of current is used in.

Choose an answer

Toaster

Electric iron

Electric motor

D.C. Battery

Terminal potential difference is greater than emf of the cell when

Choose an answer

Circuit is open

Circuit is closed

small battery is charged by bigger battery

None of these

Ampere second stands for the unit of.

Choose an answer

Charge

emf

energy

Power

Resistivity at a given temperature depends upon.

Choose an answer

Area of cross section

Length

Nature of material of conductor

Both length and area

In gas the charge carriers are:

Choose an answer

Electrons

Ions

Both a & b

None of above

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

Choose an answer

140 J

1440 J

14400 J

144000 J

e.m.f is the conversion of --------------- energy into electrical energy

Choose an answer

Chemical

Solar

Light

None of these

The condition for the wheatstone bridge to be balanced is given by

Choose an answer

None of above

Heat sensitive resistors are called.

Choose an answer

resistors

Capacitor

Thermistors

Inductors

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

Choose an answer

Carbon

Iron

Tungsten

Gold

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