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4.2 Electrical quantities

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Question 80

An electric heater is connected to a 120 V supply and transfers energy at a rate of 0.60 kW.

How much charge passes through the heater in 2.5 h?

A

13 C13\text{ C}13 C

B

1.5×103 C1.5 \times 10^3\text{ C}1.5×103 C

C

4.5×104 C4.5 \times 10^4\text{ C}4.5×104 C

D

5.4×106 C5.4 \times 10^6\text{ C}5.4×106 C

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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