WorksheetsOhm's Law Quiz
Total questions: 20
Worksheet time: 10mins
Which of the following components obey Ohms Law? (2 Answers)
Resistors
Ohmic components
Non-ohmic components
All of the above
In physics, potential difference represents ________.
Current
Resistance
Voltage
None of the above
What is the unit of voltage?
Volt
Watt
Ampere
Coulomb
Ohm's law describes the mathematical relationship between
resistor size and resistor value
ohms, kilohms, and megohms
resistance, voltage, and current
None of the above
When the length of the conductor is doubled and the area of cross-section remains the same then its resistance ____.
Will be doubled
Remains the same
Will become half
Will increase by four times
What is the unit of resistance?
Ohm
Ohm2
Volt
Watt
Ohmic components obey Ohm's law
True
False
Is ampere the unit of resistance?
Yes
No
Ohm's law states:
VI² = R
V = IR
V/I = R²
R = I/V
Ohms Law is not applicable to which of the following options
DC Circuits
High Currents
Small resistors
Semi-conductors
According to Ohm's Law:
V is inversely proportional to I
V is directly proportional to I
V is directly proportional to vI
None of the above
What is the unit of current?
Volt
Ampere
Watt
Ohm
The size resistor that will have the least amount of current flowing through it is a ____.
18 ohm resistor
5 ohm resistor
10 ohm resistor
25 ohm resistor
An electrical light bulb draws 5A when connected to a 100v wall outlet, the resistance of the bulb is:
20 Ω
50 Ω
100 Ω
500 Ω
Which of the following statements correctly represents Ohms Law?
R = VI
V = IR
V= R/I
I = R/V
Which among the following is an ohmic component?
Resistors
Power
Force
None of the above
The potential difference across a 5k resistor is 12 V. Find the current flowing through the resistor:
0.998mA
1.77mA
2.4mA
60mA
A potential difference of 10 V is applied across a conductor whose resistance is 2.5 ohm. What is the value of current flowing through it?
4 amperes
2 amperes
6 amperes
10 amperes
How much current is passing through 10k resistor that will produce a voltage of 8V across it?
0.8mA
0.0008mA
0.00008A
80mA
Approximately how many milli-amperes of current will flow through a circuit with a 40 V source and 6.8k of resistance?
27.2mA
59mA
5.9mA
590mA
