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Current Electricity
An open resistor, when checked with an ohmmeter reads
Infinite
Low but not zero
Zero
High but within tolerance
Infinite
Low but not zero
Zero
High but within tolerance
Answer
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Related Question
Current Electricity
A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is
1000 Ω
600 Ω
400 Ω
800 Ω
1000 Ω
600 Ω
400 Ω
800 Ω
Answer
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Current Electricity
The resistance of a few meters of wire conductor in closed electrical circuit is
Very high
Practically zero
Low
High
Very high
Practically zero
Low
High
Answer
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Current Electricity
Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as
2 : 5
4 : 25
25 : 4
5 : 2
2 : 5
4 : 25
25 : 4
5 : 2
Answer
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Current Electricity
In a circuit a 33 Q resistor carries a current of 2 A. The voltage across the resistor is
33 V
80 V
132 V
66 V
33 V
80 V
132 V
66 V
Answer
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Current Electricity
Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be
9 times
1/3 times
1/9 times
3 times
9 times
1/3 times
1/9 times
3 times
Answer
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