EASY
8th ICSE
IMPORTANT
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When the switch of an electric appliance is put off, it disconnects -

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Important Questions on Electricity

EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 8 - Electricity>TEST YOURSELF>Q A
The purpose of an electric meter in a house is -
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 8 - Electricity>TEST YOURSELF>Q A
If out of the two lighted bulbs in a room, one bulb suddenly fuses, then -
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 8 - Electricity>TEST YOURSELF>Q B
From where does electricity come to our homes?
MEDIUM
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 8 - Electricity>TEST YOURSELF>Q B
How can you check just by seeing the meter whether the electricity is in use or not?
MEDIUM
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 8 - Electricity>TEST YOURSELF>Q B

The figure shows the reading on the dials of a meter. State what is its reading.
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EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 8 - Electricity>TEST YOURSELF>Q B
One day the meter reading is found to be 7643 units while the next day, it was 7657 units. What is the consumption of electricity in a day?
EASY
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 8 - Electricity>TEST YOURSELF>Q B
A source of potential difference V volt sends current I ampere in a circuit for time t second. Write the expression for electrical energy supplied by the source.
MEDIUM
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 8 - Electricity>TEST YOURSELF>Q B
A source of potential difference V volt sends current I ampere in a circuit for time t second. Write the expression for electrical power spent by the source.