Ohm's Law How much current is produced by a voltage of 18 kV across a 15 k resistance? 120 mA 12 A 12 mA 1.2 A 120 mA 12 A 12 mA 1.2 A 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? 0 V 9 V 900 mV 18 V 0 V 9 V 900 mV 18 V ANSWER DOWNLOAD EXAMIANS APP
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 k 820 8.2 82 8.2 k 820 8.2 82 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 4.4 400 4 k 4 4.4 400 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 1.2 18 112 11.2 1.2 18 112 11.2 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law How much resistance is needed to draw 17.6 mA from a 12 volt source? 212 6.8 k 68 680 212 6.8 k 68 680 ANSWER DOWNLOAD EXAMIANS APP