WorksheetsElectrostatics and Circuits Quiz
Total questions: 25
Worksheet time: 31mins
Wood is a _____?
conductor
insulator
Which of the following circuit diagrams is an open circuit?
Current is measured in...
volts
amperes
watts
ohms
The SI units for resistance is...
volts
amperes
watts
ohms
The SI units for potential difference is...
volts
amperes
watts
ohms
What is the current drawn by a 5 ohm resistor when it is connected to a 1.5 V battery?
7.5 amperes
3.33 amperes
0.3 amperes
6.5 amperes
What is the current drawn by a 10 ohm resistor when it is connected to a 12 V car battery?
22 amperes
1.2 amperes
0.83 amperes
120 amperes
What is the resistance of an object that draws 0.24 A when connected to a 120 volt circuit?
0.024 ohms
28.8 ohms
124 ohms
500 ohms
Which of the following devices measures current in an electric circuit?
an ammeter
an ohmmeter
a voltage meter
a resistor
In a closed circuit, how does battery voltage affect current?
As voltage increases, current increases.
As voltage increases, current decreases.
Voltage has no affect on current.
If voltage exceeds current, a short circuit circuit will develop.
An electrical circuit is powered by a 12-volt battery and contains a light bulb. The current flowing in the circuit is 20 amps. What is the resistance of the light bulb? HINT: V = IR
0.6 Ohms
240 Ohms
1.67 Ohms
12 Ohms
When an object gains electrons it becomes __________
Neutral
Positively charged
Negatively charged
