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? 0 V 18 V 9 V 900 mV 0 V 18 V 9 V 900 mV 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? 146 V 82.5 V 8.25 V 14.6 V 146 V 82.5 V 8.25 V 14.6 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately 31 38.5 385 3.1 31 38.5 385 3.1 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 4.4 4 k 400 4 4.4 4 k 400 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law When there is 12 mA of current through a 1.2 k resistor, the voltage across the resistor is 10 V 1.4 V 100 V 14.4 V 10 V 1.4 V 100 V 14.4 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much voltage is needed to produce 2.5 A of current through a 200 resistor? 80 V 50 V 8 V 500 V 80 V 50 V 8 V 500 V ANSWER DOWNLOAD EXAMIANS APP
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