Foundation Level I JEE Mock Test -10 (2024-2025) Physics

A substance, which allows electricity to pass through it is called

• Superconductor

• Semiconductor

• a Conductor

• An insulator

Filament of a bulb is made up of

• Tungsten

• Chromium

• Platinum

• Aluminium

Which physical property of copper is used for making electrical wires?

• Malleability

• Elasticity

• Intensity

• Conductivity

Electric current flows through a water heater, bulb,fan and a CD player. The correct energy conversion is form electrical energy to ————— energy

• light,Wind, sound,heat

• heat ,light, mechanical, sound

• Sound, light, wind, heat

• Sound wind light heat

What can be placed between the open ends to light up the bulb?

• Iron nail

• Plastic wire

• Wooden cardboard

• Eraser

If the filament of the bulb is broken, the circuit is not completed and hence the current cannot flow.The bulb with broken filament is called

• Closed circuit

• Open circuit

• Fused bulb

• Flow of current in a circuit

It is a simple device to test whether a material is conductor or insulator.

• Switch

• Bulb

• Dry cell

• Conduction tester

In electric bulb, there is a thin tiny wire inside the glass cover. This is called

• Copper wire

• Filament

• Bulb

• Terminal

The cells which can be charged again and again are known as

• lead acid accumulator

• Edison cell

• Secondary cell

• All of these

What is an instrument used to measure electric current?

• Rheostat

• Galvanometer

• Ammeter

• Voltmeter