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← Topic 10 overviewTOPIC 10 ASSESSMENT

D.C. circuits

CIE-style questions assess Kirchhoff's laws, resistor networks, internal resistance, dividers and potentiometers.

Objective question 1

Kirchhoff's first law follows from conservation of:

Objective question 2

Kirchhoff's second law follows from conservation of:

Objective question 3

A parallel equivalent resistance is:

Objective question 4

For a source supplying current, terminal p.d. is:

Objective question 5

At potentiometer balance, the test cell supplies:

Structured question 1

Calculate the equivalent resistance of 6.0 Ω and 3.0 Ω connected in parallel.

Structured question 2

A cell has emf 12 V and internal resistance 0.50 Ω. It supplies 4.0 A. Calculate terminal p.d.

Structured question 3

A divider has 2.0 kΩ above and 3.0 kΩ below the output across a 15 V supply. Calculate output voltage.