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## Class 10 Physics (India)

### Course: Class 10 Physics (India)>Unit 3

Lesson 1: Electric current & circuit

# Finding electric current

You might need: Calculator

## Problem

Aditi builds a circuit with a bulb in it.
She observes that electrons with a net magnitude of charge, q, equals, 8, point, 0, space, start text, C, end text, pass through the bulb from point start box, start text, Q, end text, end box to point start box, start text, P, end text, end box in time, t, equals, 4, point, 0, space, start text, s, end text.
What is the current, I, passing through the bulb?
$\colorbox{gold}{\text P}$start box, start text, P, end text, end box$\rightarrow$right arrow$\colorbox{lightgreen}{\text Q}$start box, start text, Q, end text, end box Direction of $I$I:
Value of I, equals
start text, A, end text
Stuck?
Stuck?