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ICSE Class 10 Physics: Current Electricity

6 Questions

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ICSE Class 10 Physics: Current Electricity

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Questions and Answers

What is the SI unit of electric current?

Ampere (correct)

Coulomb

Volt

Ohm

What is the effect of increasing the resistance in a circuit?

Causes the circuit to break

Does not affect the current

Decreases the current (correct)

Increases the current

What happens to the brightness of a bulb when more bulbs are connected in series to a battery?

Brightness fluctuates

Brightness increases

Brightness decreases (correct)

Brightness remains the same

Increasing the number of bulbs in series to a battery will decrease the overall brightness of the bulbs.

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The SI unit of electric current is Ampere (A).

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Increasing the resistance in a circuit will decrease the current flowing through the circuit.

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Study Notes

Electric Current and Resistance

The SI unit of electric current is Ampere (A).
Increasing the resistance in a circuit decreases the current flowing through the circuit.

Series Circuit

When more bulbs are connected in series to a battery, the overall brightness of the bulbs decreases.
The brightness of a bulb decreases as more bulbs are connected in series to a battery.

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Description

Test your knowledge of current electricity with questions about the SI unit of electric current, the effect of increasing resistance in a circuit, and the brightness of bulbs when connected in series to a battery.