Quiz on Electric Circuits, Voltage, Ohm's Law, and Power

Question 1: A current of 60 mA flows through a wire for 1 minute,
Calculate the quantity of charge moved by the current during this time?

2.6 C
3.6 C
4.6 C
4.0 C

Question 2: An battery is used to ..................

not to maintain a potential difference.
maintain a potential difference.
maintain a potential velocity.
keep the mass the same.

Question 3: Assume a resistor R is connected across a battery of negligible internal resistance.
If the resistance of R is halved, the current in R would be..................

halfed.
doubled.
zero.
the same as before.

Question 4: Let's consider a 9-V battery in a simple circuit generating a current of 2A through the circuit.
Calculate the power being delivered by the battery.

0 watt
9 watts
8 watts
18 watts

Question 5: A per the circuit, which device is used to measure the electric current in the circuit?

1
2
3
none

Question 6: Assume that a student would like to measure the voltage across one of the resistors in the circuit shown above (question 5),
the student would connect a voltmeter ..........................the resistor.

in parallel with
in perpendicular with
opposite to
in any position with

Question 7: The resistance of a circuit element is a measure of ................

the amount of work that an electron can perform.
the ratio of the voltage difference between element ends to the current in the element.
energy
power

Question 8: Consider a circuit where the voltage drop across a resistor is 8.0 V for a current of 2.0 A in the resistor.
Calculate the current that will generate a voltage drop of 4.0 V across the resistor.

Question 9: Ohm's law tells us that the amount of current generated in a circuit is...............................

directly proportional to resistance.

directly proportional to voltage.

directly proportional to current.

inversely proportional to voltage.

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Date of last modification: 2022