Ohm's Law What is the approximate resistance of a rheostat if the voltage source is 18 V and the current is 220 mA? 8.2 8.2 k 820 82 8.2 8.2 k 820 82 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 900 mV 18 V 9 V 0 V 900 mV 18 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much resistance is required to limit the current from a 12 V battery to 3.6 mA? 2.2 k 22 k 33 k 3.3 k 2.2 k 22 k 33 k 3.3 k ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be? 8 V 3.2 V 32 V 320 V 8 V 3.2 V 32 V 320 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? 4.4 400 4 k 4 4.4 400 4 k 4 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 100 V 14.4 V 10 V 1.4 V 100 V 14.4 V 10 V 1.4 V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS