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Current Electricity

Current Electricity
One Newton meter is same as

Five joules
One joule
One watt
One joule second

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Current Electricity
An open resistor, when checked with an ohmmeter reads

Low but not zero
High but within tolerance
Zero
Infinite

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Current Electricity
Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct?

100 W lamp will glow brighter
40 W lamp will fuse
40 W lamp will glow brighter
Both lamps will glow equally bright

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Current Electricity
Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open

There will be heavy current in the main line
The other two bulbs will light
Rest of the two bulbs will not light
All three bulbs will light

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Current Electricity
Resistance of a carbon filament lamp _______ as the applied voltage increases.

None of the listed here
Increases
Decreases
Remains same

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Current Electricity
Three resistance of 10 ohms, 15 ohms, and 30 ohm are connected in parallel. The total resistance of the combination is

55 ohms
15 ohms
5 ohms
10 ohms

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