Direct current (d.c.) can be represented on a voltage–time graph. Which graph shows the correct waveform for a d.c. supply? 0625_w24_qp_12 MCQ 2024 Paper 1, Variant 2 View
There is a current I in a resistor for a time t. The potential difference (p.d.) across the resistor is V. A student calculates the product IVt. In which unit is the student’s answer measured? 0625_s22_qp_23 MCQ 2022 Paper 2, Variant 3 View