10 questions
What is the amount of current flowing through an electric press, if the amount of charge passing through a conductor in 10 minutes is 300 0 C?
30 A
.3 A
.5 A
5 A
A wire of length /, made of material resistivity ρ is cut into two equal parts. The resistivity of the two parts are equal to,
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 × 10 5 Joule
2 × 10 3 Joule
2 x 10 4 Joule
2 x 102 Joule
Two devices are connected between two points say A and B in parallel. The physical quantity that will remain the same between the two points is
Current
Voltage
Resistance
Resistivity
Which device or devices could be removed without breaking the electric circuit?
Only the bulb
Only the switch
The battery and the switch
The bulb and the switch
The shock you sometimes feel when you touch a metal doorknob on a dry day is electric ________.
Circuit
Current
Discharge
Resistance