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WorksheetsBasic Electronic Knowledge
Total questions: 15
Worksheet time: 8mins
The unit of electrical resistance is:
Ampere
Coulomb
Ohm
Volt
Which component is commonly used to smooth voltage fluctuations?
Resistor
Capacitor
Inductor
Switch
Which of the following is true about a parallel circuit?
The current is the same in all branches.
The voltage is the same across all branches.
The resistance adds directly.
Power is always conserved.
When resistors are connected in series:
The total resistance increases
The total resistance decreases
The current splits between them
The voltage is the same across each resistor
Which law relates voltage, current, and resistance?
Newton’s Law
Kirchhoff’s Voltage Law
Joule’s Law
Ohm’s Law
Kirchhoff’s Current Law (KCL) states that:
The sum of voltages in a loop is zero
The total current entering a junction equals the total current leaving
Resistance is proportional to length
Power equals voltage × current
Current represents the flow of electric charge.
True
False
The unit of electric charge is the volt.
True
False
What is the unit of capacitance?
Ohm
Farad
Volt
Ampere
In a capacitor, the main function of the insulator is to:
Allow electrons to flow between conductors
Release the force of an electrical field
Filter out positively charged particles
Build up a stored electrical charge
Which of the following devices is designed to allow current flow in only one direction?
Resistor
Capacitor
Diode
Switch
If you increase the size of the resistor and keep the voltage the same, what will happen to the current?
Current will increase
Current will decrease
Current will stay the same
The slope of voltage (V) versus current (I) is called...
resistance
induction
resistivity
conductivity
