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Current Electricity

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

Low but not zero
Infinite
Zero
High but within tolerance

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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
Ri
Rl
Either Rl or Ri

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

28.28 mA
14.14 mA
7.07 mA
0.707 mA

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Current Electricity
Electrical current is due to the flow of

Neutral particles only
Negative charges only
Positive charges only
Both positive and negative charges

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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
Current velocity through a copper conductor is

of the order of a few ^.s/m
independent of current strength
the same as propagation velocity of electric energy
nearly 3 x 108 m/s

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