A resistor of 18 Ω is connected across a 9 V supply.

PHYSICS · Multi-part · CBSE · Physics · Electricity · Electricity

Problem

A resistor of 18 Ω is connected across a 9 V supply. (i) Calculate the current through the resistor. (ii) Determine the power dissipated in the resistor.

Related theory

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

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