WorksheetsCurrent Electricity 1
Total questions: 7
Worksheet time: 14mins
What is Resistance?
The flow of electrons
Electric potential difference
A battery
The ability to reduce the rate of flow of electrons
If the Voltage is increased and the resistance stays the same, Current will
Increase Linearly
Decrease Exponentially
Stay the same
Increase but not Linearly
The work done in moving any amount charge between two points in a circuit divided by the total amount of charge is called
(a)
Find out the correct statement(s) from the following if the a circuit that has a resistance of 5 Ω and a current of 2 A?
The Voltage measured across the resistance can be at max 10 V.
The temperature of the circuit is assumed to be at room temperature.
The Voltage of the circuit is exactly 2.5 V
The Voltage of the circuit is 0.4 V
There are a few charges moving from one point in a circuit to another. Amina measured the current after 10 seconds and found it to be 3.2 A. Sadat told her that the electronic charge is 1.6 × 10−19 Coulomb. If the Voltage of the battery connected to the circuit is 10 V, which of the following statements are correct.
The total number of electrons flown through the circuit is 2 × 10−10
The total number of electrons flown through the circuit is 2 × 10−8
There is not enough information to find the number of electrons from the given data.
The resistance of the circuit is 3.125 Ω .
What is the resistance of this circuit?
0.25 Ω
4.5 Ω
4.0 Ω
0.33 Ω
A wire of Nichrome is 1.0 m long and 1.0 mm2 in cross-sectional area. It carries a current of 4.0 A when a 2.0 V potential difference is applied between its ends. Calculate the resistivity ρ of Nichrome.
0.5×10−6Ωm
2×10−6 Ωm
0.5 Ωm
2×102Ωm
