EASY
AS and A Level
IMPORTANT
Earn 100

 This circuit contains batteries and resistors. You may assume that the batteries have negligible internal resistance.

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 Use Kirchhoff's first law to find the current in the 4.00 Ω and 8.00 Ω resistors.

 

 

Important Questions on Kirchhoff's Laws

EASY
AS and A Level
IMPORTANT

This circuit contains batteries and resistors. You may assume that the batteries have negligible internal resistance.

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Calculate the e.m.f. of E1.

EASY
AS and A Level
IMPORTANT

This circuit contains batteries and resistors. You may assume that the batteries have negligible internal resistance.

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Calculate the value of E2.

EASY
AS and A Level
IMPORTANT

This circuit contains batteries and resistors. You may assume that the batteries have negligible internal resistance.

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Calculate the current in the12.00 Ω resistor.

EASY
AS and A Level
IMPORTANT

Explain why an ammeter is designed to have a low resistance.

MEDIUM
AS and A Level
IMPORTANT

 A student builds the circuit, as shown, using a battery of negligible internal resistance. The reading on the voltmeter is 9.0 V. 

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The voltmeter has a resistance of 1200 Ω. Calculate the e.m.f. of the battery. 

MEDIUM
AS and A Level
IMPORTANT

 A student builds the circuit, as shown, using a battery of negligible internal resistance. The EMF of cell is 12V.

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The voltmeter has a resistance of 12 . Show that the reading on this voltmeter would be 9.5 V.

EASY
AS and A Level
IMPORTANT
Explain why a voltmeter should have as high a resistance as possible.