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Current Electricity

Current Electricity
If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes

0.8 ohm
0.6 ohm
1.0 ohm
0.4 ohm

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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

132 V
66 V
80 V
33 V

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Current Electricity
Sparking occurs when a load is switched off because the circuit has high

Capacitance
Inductance
Impedance
Resistance

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Current Electricity
Voltage dependent resistors are used

To suppress surges
As current stabilizers
For inductive circuits
As heating elements

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Current Electricity
The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is

10 Ω, 15 Ω
20 Ω, 30 Ω
10 Ω, 20 Ω
5 Ω, 10 Ω

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Current Electricity
The maximum current rating for a 10 kΩ, 0.5 W resistor is

28.28 mA
7.07 mA
14.14 mA
0.707 mA

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MORE MCQ ON Current Electricity

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