Red Seal Electrician Practice
DC circuitsQuestion 1310 of 1506

A baseboard heater has a resistance of 60 Ω and draws 2 A. What is the voltage across it?

  1. 240 V
  2. 120 V
  3. 30.0 V
  4. 62.0 V
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Correct answer: 120 V

V = I × R = 2 A × 60 Ω = 120 V.

Source: Computed, 2.1: Ohm’s Law - How Voltage, Current, and Resistance Relate

Practice dc circuits

Questions last reviewed: 18 October 2026