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WorksheetsElectric Current & Direct Current Circuits
Total questions: 12
Worksheet time: 3mins
Define electric current
the total charge, Q flowing through the area per unit time, t.
the total current, I flowing through the area per unit time, t.
the rate of capacitance flow through a conductor.
the rate of current flow through a conductor
1 ampere of current is defined as ......
one coulomb of current passing through the surface area in one second.
one coulomb of charge passing through the conductor in one second
one coulomb of charge passing through the surface area in one second
one coulomb of currrent passing through the conductor in one second.
Resistivity is defined as .....
the capacitance of a unit length per unit cross-sectional area of the material
the resistance of a unit length per unit cross-sectional area of the material
the capacitance of a unit cross-sectional area per unit length of the material
the resistance of a unit cross-sectional area per unit length of the material
What type of quantity does the current belongs to?
a base and vector quantities
a base and scalar quantities
a derived and vector quantities
a derived and scalar quantities
From the equation, we know that the resistance of a conductor depends on..?
length of conductor
cross sectional area
type of material
volume of the wire
State Ohm's Law.
the potential difference across a metallic conductor is proportional to the resistance flowing through it if its temperature is constant.
the resistance across a metallic conductor is proportional to the current flowing through it if its temperature is constant.
the potential difference across a metallic conductor is proportional to the current flowing through it if its temperature is constant.
the current across a metallic conductor is proportional to the potential difference flowing through it if its temperature is constant.
Which equation defines Ohm's Law?
V=IV
R=VI
I=VR
V=IR
If current flow in a bulb is 1.5A. What is the charge flow in 5 minutes?
4.5x10exp-2 C
4.5x10exp-2 A
2.4x10exp-2 C
2.4x10exp-2 A
What is the effective resistance for two resistors that each has 15ohm resistance and they are connected in parallel?
7ohm
7.5ohm
7.2ohm
7.25ohm
A resistor of 5ohm is connected in series with two other resistors that is connected in parrallel, each has 3ohm resistance. Calculate the effective resistance for this combination of resistors.
60ohm
12ohm
6.5ohm
13.45ohm
APA FULL NAME MISS?
Akhmal Sofia Kamarul Zaman
Akmal Sofia Kamaruzaman
Akhmal Sofia Asykin Kamarul Zaman
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