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WorksheetsOHM'S LAW
Total questions: 18
Worksheet time: 57mins
What is the scientific formula for ohm's law?
V=IR
I=VR
R=IV
None of the above
In a stereo amplifier circuit, there is a resistor across which you measure 25V, and your ammeter indicates 50mA of current through the resistor. What is the resistor’s value in kilohms? In ohms?
2kΩ, 20Ω
0.5kΩ, 500Ω
1.25kΩ, 1250Ω
None of the above
A circuit consists of a 12 V battery connected across a single resistor. If the current in the circuit is 3 A, calculate the size of the resistor.
36 ohms
0.25 ohms
4 ohms
12 ohms
How many Volts would it take to push 1 Amp through a resistance of 1 Ohm?
10 volts
1 volt
48 volts
5 volts
What is the current in from a 12 V source if the resistance is 10 W?
120 Amps
12 Amps
0.83 Amps
1.2 Amps
What is the current through R1?
10 A
5 A
7 A
2 A
What is the (hot) resistance of the bulb?
100 ohm
132 ohm
0.01 ohm
0.007 ohm
If Vps is set to 8V and Rv is 1MΩ, and Vi is measured at 1mV. Calculate the internal resistance of the oscilloscope
0.125KΩ
0.125Ω
8KΩ
8Ω
Based on the graph, which of the following would be true regarding the relationship of voltage and current?
As voltage increases, current decreases.
Voltage will not affect current.
As voltage decreases, current increases.
As voltage increases, current also increases.
Without considering the LED light, what would the current be in this schematic?
0.01A
73.3A
220A
660A
Without considering the LED light, how many more volts will you need to increase the current to 0.05A?
11V
8V
24V
18V
