engineering recuitment MPPGCL JE 2024 Mock Test Electrical and Electronics Measurements Potentiometers
For measuring current, a slide wire is used in the circuit where the voltage drop across the resistor having the value of 1 Ω is balanced at 100 cm. If the emf of the standard cell having the value of 2 V is balanced at 40 cm, what will be the magnitude of the current?
1
5 A
2
10 A
3
20 A
4
30 A