Answer question

ACTIVITY 3_ ELECTRICAL POWER 1. An optical drive produce 3.5amps from a 110 V source. What is resistance of the heating element? 2. Approximately how many amperes of current flow through a circuit with a 40 V source and 6.8ohms of resistance? 3. A circuit consists of a 12 V battery connected across a single resistor. If the current in the circuit is 3 A, calculate the size of the resistor. 4. If a small appliance is rated at a current of 10 amps and a voltage of 120 volts, the power rating would be