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4.2 Electrical quantities

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Question 19

Which combination of the current in a resistor and the time for which it is present results in a charge of 180 C passing through the resistor?

A

a current of 4.0 A4.0\text{ A}4.0 A for 45 s45\text{ s}45 s

B

a current of 3.0 A3.0\text{ A}3.0 A for 60 minutes60\text{ minutes}60 minutes

C

a current of 2.0 A2.0\text{ A}2.0 A for 90 minutes90\text{ minutes}90 minutes

D

a current of 6.0 A6.0\text{ A}6.0 A for 30 minutes30\text{ minutes}30 minutes

Markscheme

4.2 Electrical quantities Questions

  1. IGCSE
  2. /Physics
  3. /4.2 Electrical quantities

452 exam-style questions on CIE IGCSE Physics 4.2 Electrical quantities, covering 4.2.1a Positive and negative charge, 4.2.1b Charging by friction and detecting charge, 4.2.1c Electrical conductors and insulators, 4.2.1d Electric fields and electric field patterns, 4.2.2a Electric current, charge and measuring current, 4.2.2b Conduction in metals and the direction of current, 4.2.2c Direct current and alternating current, 4.2.3a Electromotive force, 4.2.3b Potential difference and voltmeters, 4.2.4a Resistance, 4.2.4b Resistance of a metallic wire, 4.2.4c Current–voltage graphs, and 4.2.5 Electrical energy and electrical power. Each one has a worked solution and a mark scheme showing where the marks go.

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