Electricity Basics

Determine the direction of conventional current?
1 joule of work is required to move 1 coulomb of charge from one point to the other. What am I ?
1 Ohm
1 Volt
1 A
What is an electric circuit?
State the relation between work, charge and potential difference for an electric circuit.
V=WQ
V=Q/W
V=W/Q
Calculate the potential difference between the two terminals of a battery if 100 J of work is required to transfer, 2 C of charge from one terminal of the battery to the other.
What is the rate of flow of electric charges called?
Electric potential
electric conductance
Electric current
None of these
Which instrument is used for measuring electric potential?
Voltmeter
Ammeter
Rheostat
When electric current is passed, electrons move from:
high potential to low potential.
low potential to high potential.
in the direction of the current.
against the direction of the current.
Which of the following gases are filled in electric bulbs?
Helium and Neon
Neon and Argon
Argon and Hydrogen
Argon and Nitrogen
Conductors allow the current to flow through themselves.They have free charge carriers.
True
False
0
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