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 112 11.2 18 1.2 112 11.2 18 1.2 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 18 V 900 mV 9 V 0 V 18 V 900 mV 9 V ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Approximately how many milliamperes of current flow through a circuit with a 40 V source and 6.8 k of resistance? 27.2 mA 59 mA 590 mA 5.9 mA 27.2 mA 59 mA 590 mA 5.9 mA ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law Approximately how much current flows through a 3.3 M resistor across a 30 V source? 9 A 9000 A 90 A 900 A 9 A 9000 A 90 A 900 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 38.5 31 385 3.1 38.5 31 385 3.1 ANSWER DOWNLOAD EXAMIANS APP
Ohm's Law What is the approximate filament resistance of a light bulb if it operates from a 110 V source and 0.6 A of current is flowing? 183 6.6 18.3 66 183 6.6 18.3 66 ANSWER DOWNLOAD EXAMIANS APP