Ohm's Law You are measuring the current in a circuit that is operated on an 18 V battery. The ammeter reads 40 mA. Later you notice the current has dropped to 20 mA. How much has the voltage changed? 18 V 900 mV 9 V 0 V 18 V 900 mV 9 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the voltage source for a circuit carrying 2 A of current through a 36 resistor? 18 V 7.2 V 1.8 V 72 V 18 V 7.2 V 1.8 V 72 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Twelve volts are applied across a resistor. A current of 3 mA is measured. What is the value of the resistor? 4 k 4.4 400 4 4 k 4.4 400 4 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much current is produced by a voltage of 18 kV across a 15 k resistance? 12 mA 120 mA 12 A 1.2 A 12 mA 120 mA 12 A 1.2 A ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law If 750 µA is flowing through 11 k of resistance, what is the voltage drop across the resistor? 14.6 V 8.25 V 146 V 82.5 V 14.6 V 8.25 V 146 V 82.5 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much resistance is needed to draw 17.6 mA from a 12 volt source? 680 68 212 6.8 k 680 68 212 6.8 k ANSWER DOWNLOAD EXAMIANS APP