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Current Electricity

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

Power
Resistance
Current
Voltage

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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
66 V
80 V
132 V

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Current Electricity
Which of the following is the best material for making connecting wires?

Manganin
Copper
Nichrome
Constant

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Current Electricity
With three resistances connected in parallel, if each dissipates 20 W the total power supplied by the voltage source equals

60 W
20 W
10 W
40 W

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Current Electricity
Which of the following is the best conductor of electricity?

Gold
Zinc
Silver
Copper

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Current Electricity
Resistance of 220 V, 100 W lamp will be

4840 Q
4.84 Q
484 ft
48.4 Q

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