Question # 1

The passage of current is accompanied by a magnetic field in the surrounding space:

Choose an answer

Always accompanied

Sometimes accompanied

Never accompanied

Any of above

None of these

A thermistor is a resistor which is:

Choose an answer

Light Sensitive

Heat Sensitive

Sound Sensitive

All of these

None of these

An important part of inkjet printer is:

Choose an answer

Toner

Drum

Deflection plates

Heated roles

None of these

The conventional current is the name given to current due to flow of

Choose an answer

Positrons

Positive charges

Negative charges

Both A and C

None of these

When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:

Choose an answer

Decreases

Increases

Remains the constant

Either of these

None of these

Selenium is:

Choose an answer

An insulator

A conductor

Insulator in the dark and becomes conductor when exposed to light

Conductor in the dark only

None of these

The fourth band is a:

Choose an answer

Silver band

Red band

Gold band

Either A or C

Either A or B

Electric field lines emerge from the charge in:

Choose an answer

One dimension

Two dimensions

Three dimensions

Four dimensions

None of them

The device which can convert heat energy into electrical energy is called:

Choose an answer

Thermistor

Thermometer

Thermostat

Thermocouple

Both (C) and (D)

Gaussian surface is always:

Choose an answer

Rectangular

Spherical

Cylindrical

Box shape

Any of these

As the current flows through the wire

Choose an answer

It generates heat in the wire

It produces sound in the wire

Resistance of the wire decrease

Voltage across the ends is the increase

None of these

If the ends of a wire are connected to a battery an electric field E will be set up at:

Choose an answer

The ends of the wire only

Mid points of the wire only

Every point within the wire

At nodes only

Both (B) and (D)

Magnetic effect of current is used:

Choose an answer

In electric motor

To detect current

To measure current

All of these

None of these

Most practical applications of electricity involve

Choose an answer

Charges at rest

Charges in motion

Electrons at rest

Atoms in motion

Molecules in motion

Heating effect of current utilized in:

Choose an answer

Electric motor

Electric toaster

Electroplating

Electric kettle

Both (B) and (D)

More Classes

Other Links

ECAT Physics Chapter 13 Current Electricity 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