Resistor objective Questions Quiz
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Question 1 of 11
1. Question
1 pointsTwo resistors 4Ω and 6Ω are connected in series circuit which is powered by 12 volts power source. What is the voltage across 6Ω resistor?
Correct
Incorrect
Voltage across the 6Ω resistor = (12 * 6) / 6+4 = 7.2 volts

Question 2 of 11
2. Question
1 pointsA lamp operating at 120 volts has a resistance of 480 ohms. What is the wattage of the lamp?
Correct
Incorrect
P = V^{2} / R = 120 * 120 / 480 = 30 watts

Question 3 of 11
3. Question
1 pointsA circuit consists of two parallel resistors of each 4 ohms are connected in series with a group of two parallel resistors or 2 ohms respectively. What is the equivalent resistance of the circuit?
Correct
Incorrect
Total Resistance =
2 ohms + 1 ohm = 3 ohms

Question 4 of 11
4. Question
1 pointsIf four 2 ohms resistors are connected in parallel. What is the equivalent resistance of the circuit?
Correct
Incorrect
½ + ½+ ½+ ½ = 0.5 ohms

Question 5 of 11
5. Question
1 pointsFour resistors of 2, 5, 8 and 9 ohms respectively are connected in series in a circuit. What must be the battery potential to drive 1 ampere current through the circuit.
Correct
Incorrect
R = 2+5+8+9 = 24 ohms
V = 24 * 1 = 24 volts

Question 6 of 11
6. Question
1 pointsA 12 volts battery is connected group of four parallel resistors each with 4 ohms. How much current does the circuit draws from the battery?
Correct
Incorrect
R = 1 ohms;
I = 12 amperes

Question 7 of 11
7. Question
1 pointsA lamp is operating at 120 volts has a resistance 60 ohms. How much current in ampere the lamp does draws?
Correct
Incorrect
R = 120/60 = 2 ampere

Question 8 of 11
8. Question
1 pointsIf two identical resistors are connected in parallel and series combination. What is the ratio between parallel and series combination?
Correct
Incorrect
Let resistance of resistor = x
Parallel combination equivalent resistance = x/2
Series combination equivalent resistance =2x
The ratio of parallel and series combination = 1/4

Question 9 of 11
9. Question
1 pointsA 10 meter length of an electrical wire connects the power source and load. Due to fault some part of the wire has damaged and removed and connected back between power source and load. What will be the ampere current flow in the wire?
Correct
Incorrect
As the wire length is decreased so the resistance of the wire decreases and current flow in the wire increases.

Question 10 of 11
10. Question
1 pointsWhich of the electrical quantity is same in parallel connection of two wires with different resistance values?
Correct
Incorrect
In parallel combination the voltage between two parallel paths is same.

Question 11 of 11
11. Question
1 pointsA 40 watt electrical lamp draws 2 amperes current. What is the resistance offered by the lamp?
Correct
Incorrect
P = I^{2} R
R = P / I^{2}= 40 / (2*2) = 10 ohms.
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