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Worksheetselectricity
Total questions: 9
Worksheet time: 5mins
Which of these appliances NOT run on electricity ?
cooker
fridge
TV
Switch is also referred as _____ in an electric circuit.
filament
cell
key
Electrons flows from
detect electric current
negative terminal to positive terminal
positive terminal to negative terminal
the flow rate of electric charges through a conductor
Electric current flows from
detect electric current
negative terminal to positive terminal
positive terminal to negative terminal
the flow rate of electric charges through a conductor
Electric current is defined as
detect electric current
negative terminal to positive terminal
positive terminal to negative terminal
the flow rate of electric charges through a conductor
A boy records that 4000 joule of work is required to transfer 10 coulomb of charge between two points of a resistor of 50 Ω. The current passing through it is-
2 A
4 A
8 A
16 A
A battery of 10 volt carries 20,000 C of charge through a resistance of 20 Ω. The work done in 10 seconds is-
2 × 103 joule
2 × 105joule
2 × 104 joule
2 × 102 joule
The temperature of a conductor is increased. The graph best showing the variation of its resistance is-
A wire of length /, made of material resistivity ρ is cut into two equal parts. The resistivity of the two parts are equal to-
ρ
ρ2
2 ρ
4 ρ
