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WorksheetsELECTRIC CURRENT
Total questions: 10
Worksheet time: 7mins
Which of the following statements defines the relationship of charge = current x time?
The number of charges passing through a conductor and current is both equal.
The higher the number of charges passing through a conductor, the lower the current.
The lower the number of charges passing through a conductor, the higher the current.
The higher the number of charges passing through a conductor, the higher the current.
When an electric current exists within a conducting wire, which of the following statements describes the condition of any accompanying electric field?
must be zero
must be parallel to current flow
must be opposite to current flow
must be perpendicular to current flow
The unit of electric current, ampere, is equivalent to which of the following?
C/s
V/s
s/C
s/V
In which terminal of a source does the flow of conventional current come from?
negative
positive
either negative or positive
neither negative nor positive
Which of the following types of electric current that flows in one direction only?
alternating current
direct current
electron current
steady current
Which of the following devices measures electric current?
Ammeter
Odometer
Ohmmeter
Voltmeter
Which of the following types of electric current that changes directions periodically?
alternating current
direct current
electron current
steady current
A wire carries a steady current of 0.1 A over a period of 20 s. What total charge passes through the wire in this time interval?
200 C
20 C
2 C
0.005 C
The current in a light bulb is 0.835 A. How long does it take for a total charge of 1.67 C to pass through the filament of the bulb?
0.5 s
0.84 s
2.0 s
2.5 s
Charges of 1800 C passes through a wire. How much electric current flows through it in one hour?
2.0 A
1.5 A
1.0 A
0.5 A
