EASY
AS and A Level
IMPORTANT
Earn 100

Determine the current drawn from the battery in Figure.

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Important Questions on Kirchhoff's Laws

EASY
AS and A Level
IMPORTANT
Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 9 - Kirchhoff's Laws>Questions>Q 20
What value of resistor must be connected in parallel with a 20 Ω Resistor so, that their combined resistance is10 Ω? 
MEDIUM
AS and A Level
IMPORTANT
Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 9 - Kirchhoff's Laws>Questions>Q 21
You are supplied with a number of 100 Ω resistors. Describe how you could combine the minimum number of these to make a 250 Ω resistor.
MEDIUM
AS and A Level
IMPORTANT
Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 9 - Kirchhoff's Laws>Questions>Q 22

Calculate the current at each point (A-E) in the circuit shown in Figure 9.21. 

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MEDIUM
AS and A Level
IMPORTANT
Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 9 - Kirchhoff's Laws>Question>Q 23
A 10 V Power supply of negligible internal resistance is connected to a 100 Ω resistor. Calculate the current in the resistor. 
MEDIUM
AS and A Level
IMPORTANT
Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 9 - Kirchhoff's Laws>Question>Q 23
An ammeter is now connected in the circuit, to measure the current. The resistance of the ammeter is 5.0 Ω. Calculate the ammeter reading.
EASY
AS and A Level
IMPORTANT
Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 9 - Kirchhoff's Laws>EXAM-STYLE QUESTIONS>Q 1

Which row in this table is correct?

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MEDIUM
AS and A Level
IMPORTANT
Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 9 - Kirchhoff's Laws>EXAM-STYLE QUESTIONS>Q 2

What is the current I1 in this circuit diagram?

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MEDIUM
AS and A Level
IMPORTANT
Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 9 - Kirchhoff's Laws>EXAM-STYLE QUESTIONS>Q 3

Use Kirchhoff’s first law to calculate the unknown currents in the examples in Figure. In each example states the direction of the current.

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