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 A resistance of 3.3 M is connected across a 500 V source. The resulting current is approximately 15.1 µA 660 mA 66 mA 151 µA 15.1 µA 660 mA 66 mA 151 µA ANSWER DOWNLOAD EXAMIANS APP
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? 9 V 0 V 18 V 900 mV 9 V 0 V 18 V 900 mV ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150 V source? 23 230 9.7 97 23 230 9.7 97 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Approximately how much current flows through a 3.3 M resistor across a 30 V source? 90 A 9 A 900 A 9000 A 90 A 9 A 900 A 9000 A ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law The current through a flashlight bulb is 40 mA and the total battery voltage is 4.5 V. The resistance of the bulb is approximately 18 112 11.2 1.2 18 112 11.2 1.2 ANSWER DOWNLOAD EXAMIANS APP