A
Unit of electric current?
Ampere (A)
Unit of voltage?
Volt (V)
What is the basic unit of electric charge ?
1.6 x10^-19 C
What is the charge of an atom?
Neutral
Define current ?
Flow of charge per unit time
Define electric potential or voltage ?
work done on charge
Is voltmeter connected in series or parallel?
parallel
What does ammeter measure?
current
Is ammeter connected in series or parallel in the circuit?
series
What is being measured using the voltmeter?
(a) Current in the circuit
(b) Voltage in the circuit
(c) The voltage across the resistor
(d) The resistance offered by the resistor
(c) The voltage across the resistor
Is current a scalar or vector ? Give reason
It follows the laws of scalar addition and not the laws of vector addition
When the conductor is not connected to a cell, does the free electrones in the lattice move? If so, comment on the nature of motion.
Yes, random motion