Electric Current and Its Effects
Test Your Knowledge on Electric Current and Its Effects
Welcome to the Electric Current and Its Effects quiz! This quiz is designed to challenge your understanding of the principles of electric current, its properties, and its various applications. Whether you are a student, teacher, or just someone interested in physics, this quiz offers a fun way to test your knowledge.
Get ready to explore topics such as:
- The behavior of electric current in circuits
- Effects of electric current: heating, magnetic, and chemical
- Applications of electromagnets
When electric current passes through the filament of a bulb, it gives off:
Sound
Shock
Light
Magnetism
All wires used in electric circuits should be covered with
Coloured material
Insulating material
Conducting material
None of these
How many 1.5V cells will be required to make a battery of 12V?
2
4
6
8
In which of the following, electromagnets are not used?
Crane
Electric bell
Washing machine
Electric bulb
The most suitable material for making the core of an electromagnet is:
Iron
Brass
Aluminium
Steel
Which of the following is the correct symbol of a cell?
0%
0
0%
0
0%
0
0%
0
Which of the following is the strongest electromagnet?
0%
0
0%
0
0%
0
0%
0
In an electric circuit, current starts from the
Positive terminal
Negative terminal
Either of the two terminals
Depends upon the circuit
The effect of current on which the use of a fuse is based is
Magnetic effect
Chemical effect
Heating effect
Induction effect
A filament of low melting point metal/alloy is used in
Electric bulb
Electric iron
Fuse
Room heater
Filament of an electric bulb is made of
Tin
Tungsten
Phosphor
Copper
Which of the following wire is generally used as the heating element?
Nichrome
Nickel
Nitrogen
None of these
The electric kettle uses the
Chemical effect of current
Magnetic effect of current
Heating effect of current
Mechanical effect of current
MCB used to prevent damages due to excessive current works on the
Magnetic effect of current
Chemical effect of current
Heating effect of current
None of these
The property of a metal wire to be used as filament of a bulb is
It should have high resistance
It should have high melting point
It should be thin
All of these
A battery is made by connecting
Negative terminal of one cell to negative terminal of other cell
Positive terminal of one cell to positive terminal of other cell
Positive terminal of one cell to negative terminal of other cell
Any two terminals joined randomly
Choose the statement which is not correct in the case of an electric fuse.
Fuses are inserted in electric circuits of all buildings.
There is a maximum limit on the current which can safely flow through the electric circuits.
If a proper fuse is inserted in a circuit it will blow off if current exceeds the safe limit.
There is a minimum limit on the current which can safely flow in the electric circuits.
Three bulbs A, B, C are connected in a circuit as shown in a given figure. When the switch is ON
The bulbs will glow in order A, B, and C
All the bulbs A, B, and C will glow at the same time
Bulb C will glow first
Bulb B and C will glow simultaneously and bulb A will glow after some time
Magnetic effect of electric current was observed by:
W.H.Whitaker
Newton
H.C.Oersted
Galileo
A device which prevents or allows the current to flow through it:
Terminal
Switch
Motor
Conductor
Electromagnet loses its magnetic property when:
Current is switched ON
Heat is increased
Current is very high
Current is switched OFF
When two or more cells are joined together it forms a ________.
Dynamo
Transistor
Radio
Battery
An electromagnet is based on:
Chemical effect of electric current
Heating effect of electric current
Electro-chemical effect of electric current
Magnetic effect of electric current
When a switch is in Off position,
(ii) and (iii) are correct
All are correct
Only (iv) is correct
(i) and (ii) are correct
MCB in electric circuit stands for:
Maximum current breaker
Miniature circuit breaker
Minimum current breaker
Molar current breaker
Electromagnet is used in ________.
Dry cell
Battery
Fuse
Electric bell
Which of the following materials is a conductor?
Rubber
Plastic
Copper
Cloth
________ is used in torches.
Dry cell
Electro magnet
Generator
Fuse
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.
When an electric current flows through a copper wire AB as shown in a given figure, the wire
Deflects a magnetic needle placed near it.
Becomes red hot.
Gives electric shock.
Behaves like a fuse.
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