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Electric Current and Circuits Quiz
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University
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79 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the SI unit of electric current (i)?
Coulomb (C)
Volt (V)
Ampere (A)
Ohm (Ω)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the formula i = dq/dt, what does 'dq' represent?
Time
Electric charge
Voltage
Resistance
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the SI unit of the net charge 'dq'?
Ampere (A)
Coulomb (C)
Volt (V)
Tesla (T)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the formula i = dq/dt, what is the SI unit of time 'dt'?
Ampere (A)
Volt (V)
Second (s)
Ohm (Ω)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the SI unit of current density (J)?
Ampere (A)
Ampere per square meter (A/m²)
Volt (V)
Ohm (Ω)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the formula J = i / A, what does 'A' represent?
Electric current
Area
Potential difference
Time
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the SI unit of the area 'A' in the equation for current density?
Meter (m)
Ampere (A)
Square meter (m²)
Volt (V)
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