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Current Electricity
If the resistance of a metal wire is 10Ω and a potential difference is 100 volts. The value of the current is
0.05 mA
0.01 mA
0.06 mA
0.2 mA
Author:
rikazzz
Comment
Current Electricity
In a circuit 3 resistors 2Ω, 3Ω, 6Ω are connected (in parallel combination)across a battery of 6V then, the current passing through each resistance should be
3A, 2A, 1A
4A, 5A, 2A
2A, 1A, 6A
5A, 2A, 3A
Author:
rikazzz
Comment
Current Electricity
In a light bulb of 60 W, the current in a bulb fluctuates 50 times in each second between
−0.51 A to 0.51 A
−0.61 A to 0.61 A
−0.71 A to 0.71 A
−0.81 A to 0.81 A
Author:
rikazzz
Comment
Current Electricity
The resistance of a conductor increases with
increasing current
decreasing current
increase in temperature
decrease in temperature
Author:
rikazzz
Comment
Current Electricity
The SI unit of current is
charge
ohm
volt
ampere
Author:
rikazzz
Comment
Current Electricity
The current in electrolyte flows due to
positive ions only
negative ions only
electrons and protons
positive and negative ions
Author:
rikazzz
Comment
Current Electricity
The resistance of the wire is inversely proportional to the
wire material’s nature
length of the wire
cross sectional area of the wire
all of above
Author:
rikazzz
Comment
Current Electricity
The electrical energy supplied by charge Q in t seconds is
V x I x t
V x I
I x t
V x t
Author:
rikazzz
Comment
Current Electricity
Resistors are connected end to end in
series combination
parallel combination
circular combination
random combination
Author:
rikazzz
Comment
Current Electricity
The current derived from a cell or a battery is
no current
alternative current
negative current
direct current
Author:
rikazzz
Comment
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