Electric Current: Magnetic and Heating Effect of Current

This is an interactive quiz on Electric Current.

It includes topics such as electric components and circuits, magnetic and heating effect of current.

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At the time of short circuit, the current in the circuit:

Reduce substantially Does not change Increase heavily Varies continuously

The element of an electric iron is made of:

Iron Nickel Nichrome Tungsten

An electric fuse works on the:

Chemical effect of current Magnetic effect of current Lighting effect of current Heating effect of current

Circuit Breaker Device which can be used in place of fuse in domestic electric wiring is called:

CBD DCB MCD MCB

The magnetic effect of electric current was discovered by:

Maxwell Darwin Oersted Newton

A cylindrical coil of current carrying wire is:

Voltmeter

Ammeter

Fuse

Solenoid

Very strong electromagnets are used for lifting:

Fans

Washing machines

Heavy iron pieces

None of these

Electric current has energy called:

Voltmeter

Filament

Electrical energy

None of these

An element measure the potential difference between two points in an electric circuit is:

Voltmeter

Filament

Circuit

Ammeter

Bulbs, wires, cells and switches are known as the of a circuit.

Element

Switch

Filament

None of these

Which of the following precautions need not be taken while using electric gadgets / appliances/circuit?

We should never touch a lighted electric bulb connected to the mains. We should never experiment with the electric supply from the mains or a generator or an inverter. We should never use just any wire or strip of metal in place of a fuse. We should never turn the switch in ON position.

Which mark is necessary on electric appliances?

AGMARK ISI FICCI KSK

Which one of the following is based on the heating effect of current?

Geyser Hair dryer Immersion rod All of these

Where can the key or switch be placed in the circuit?

Left side of the battery Right side of the battery Can be placed anywhere in the circuit Near the positive terminal of the bulb

In making a battery

Positive terminal of one cell is connected to the negative terminal of the next cell

Positive terminal of one cell is connected to the positive terminal of the next cell

Negative terminal of one cell is connected to the negative terminal of the next cell

None of the above

A combination of two or more cells is called ( )

A Battery A Button cell An Electric cell Truck Battery

A glowing filament will be

At a low temperature At a high temperature At atmospheric temperature At the temperature of ice

When electric current passes through a wire , it behaves like a magnet. This is the

Magnetic effect of current Electrical effect of current Heating effect of current Optical effect of current

Electric Bell works on the principle

Electrical energy is converted into mechanical energy Electrical energy is converted into sound energy Mechanical energy is converted into sound energy Sound energy is converted into electrical energy.

Nichrome is used a coil of heater because

It has high resistance and high melting point Low resistance and high melting point High resistance and low melting point None of the above

Quiz/Test Summary

Title: Electric Current: Magnetic and Heating Effect of Current

Questions: 20

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