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 900 mV 0 V 18 V 9 V 900 mV 0 V 18 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Approximately how much current flows through a 3.3 M resistor across a 30 V source? 900 A 90 A 9 A 9000 A 900 A 90 A 9 A 9000 A 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 385 31 3.1 38.5 385 31 3.1 38.5 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law If 24 V are applied across a resistor and there are 10.9 mA of current, the resistance is 22 k 220 2.2 k 220 k 22 k 220 2.2 k 220 k ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Four amperes of current are measured through a 24 resistor connected across a voltage source. How much voltage does the source produce? 8 V 960 V 96 V 9.6 V 8 V 960 V 96 V 9.6 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law When 12 V are applied across a 68 resistor, the current is 8.16 mA 176 mA 816 mA 17.6 mA 8.16 mA 176 mA 816 mA 17.6 mA ANSWER DOWNLOAD EXAMIANS APP