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Current Electricity

Current Electricity
Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across

None of them
Rl
Either Rl or Ri
Ri

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Current Electricity
Semiconductors have _______temperature co-efficient of resistance.

None of the listed here
Zero
Negative
Positive

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Current Electricity
Which of the following quantities remain the same in all parts of a series circuit?

Current
Resistance
Voltage
Power

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Current Electricity
Out of the following which is not a poor conductor?

Tungsten
Cast iron
Carbon
Copper

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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

10 ohms
15 ohms
5 ohms
55 ohms

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Current Electricity
At 0 K, germanium behaves as

A superconductor
A ferromagnetic substance
An insulator
A conductor

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