Two room heaters, A and B

PHYSICS · Multi-part · GCSE · Physics · Electricity · Electricity

Problem

Two room heaters, A and B, are connected to a 230 V supply. • Heater A has a resistance of 46 Ω. • Heater B draws a current of 4 A when in use. (1) a. (i) (2) b. (ii) (3) c. (iii) (4) d. (iv)

Related theory

Electric Power
Ohm's Law
Ohm's Law (Macroscopic)
Ohm's law, V-I graphs and ohmic/non-ohmic conductors
Current Electricity
Electricity
Ohm's law and V-I graphs

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