Pick the odd one out
ammeter
voltmeter
rheostat
odometer
A flow of 107 electrons per second in a conducting wire constitutes a current of :
1.6 x 10-26 A
1.6 x 1012 A
1.6 x 10-12 A
1.6 x 1026 A
The reciprocal of a resistance of a conductor is
conductance
capacitance
conductivity
impedance
An electric fuse works on the :
chemical effect of current
magnetic effect of current
lighting effect of current
heating effect of current
A current of 0.5 A is drawn by a filament of an electric bulb for 10 minutes. Calculate the amount of electric charge that flows through the circuit.
200 C
300 C
400 C
100 C
Which unit could be used to measure current?
Ampere
Volt
Coulomb
Watt
The device used for measuring potential difference is known as
galvanometer
voltameter
potentiometer
A 100 W,220 V bulb is connected across 110 V supply.The actual power consumed by the bulb will be
25 W
50 W
100 W
200 W
What is the order of magnitude of electric resistance of the human body (dry)?
102 ohm
104 ohm
106 ohm
108 ohm
1kWh =
3.6 x 103J
3.6 x 106J
3.6 x 109J
none of these
