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4.2 Electrical quantities

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Question 15

A battery is connected to a circuit. It is switched on for 2.0 minutes2.0\text{ minutes}2.0 minutes. During that time, there is a constant current of 0.50 A in the circuit and the battery supplies a total of 180 J of energy. Which option gives the charge that passes and the electromotive force (e.m.f.) of the battery?

A

Charge = 1.0 C1.0\text{ C}1.0 C, e.m.f. = 3.0 V3.0\text{ V}3.0 V

B

Charge = 1.0 C1.0\text{ C}1.0 C, e.m.f. = 180 V180\text{ V}180 V

C

Charge = 60 C60\text{ C}60 C, e.m.f. = 3.0 V3.0\text{ V}3.0 V

D

Charge = 60 C60\text{ C}60 C, e.m.f. = 180 V180\text{ V}180 V

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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