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Worksheet: Currents in Parallel Circuit Branches

Q1:

Consider the circuit shown.

Find the current through 𝑅 1 .

Find the current through 𝑅 2 .

Find the current through 𝑅 3 .

Find the current through 𝑅 4 .

Find the current through 𝑅 5 .

Q2:

Consider the circuits shown. The resistors’ resistances should be taken to the nearest whole number of ohms ( ).

What is the current through in circuit (a)?

What is the current through in circuit (a)?

What is the current through in circuit (a)?

What power is dissipated by circuit (a)?

What is the current through in circuit (b)?

What is the current through in circuit (b)?

What is the current through in circuit (b)?

What power is dissipated by circuit (b)?