← all questions · Physics · 9702 · Paper 4 variant 1

7(b)(i)2 marks

A sinusoidal alternating supply is connected to a bridge of four diodes with a load resistor R across the output . Fig. 7.2 shows the variation of V_OUT with time t.

The load resistor R has a resistance of 370 Ω. Show that the maximum power dissipated in R is 0.22 W.

9702/41/M/J/24Cambridge International AS & A Level Physics 9702 · May/June 2024 · Paper 4 variant 1 · Question 7(b)(i)

Fig. 7.1 — see the question text for what it shows
Fig. 7.2 — see the question text for what it shows

Your answer

Suggested time: 3 min