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WorksheetsElectronics1 Lab
Total questions: 20
Worksheet time: 7mins
An instrument used to measure current is
Voltmeter
Ammeter
Multimeter
Speedometer
An instrument used to measure voltage is
Multimeter
Ammeter
Voltmeter
voltage gauge
An electronic component used to allow current to flow in one direction
resistor
diode
capacitor
voltage source
ground
Is an electronic component that is used to reduce current flow, divide voltages and adjust signal levels.
Resistor
capacitor
inductor
diode
A two-terminal device that which can maintain a fixed voltage.
Voltage drop
Voltage potential
Voltage source
Voltage fixer
Ammeter in connected _____ with the component where current is measured.
parallel
shunt
series
in lined
Voltmeter is connected in _____ with the component where voltage is measured.
parallel
series
series - parallel
any of the above
The reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the earth.
voltage reference
earth fault
ground
conventional flow
A semiconductor device that essentially acts as a one-way switch for current.
resistor
diode
ground
capacitor
A ______ value for the current implies the actual direction of current through that circuit element is opposite that of the chosen reference direction.
correct
negative
positive
neutral
A galvanometer in series with a high resistance is called ……………
An ammeter
A voltmeter
A wattmeter
None of the above
An ammeter should have ………….. resistance
Infinite
Very large
Very low
None of the above
A voltmeter should have ………. resistance
Zero
Very high
Very low
None of the above
When an ammeter is inserted in the circuit, the circuit current will ………..
Increase
Decrease
Remain the same
None of the above
An ideal ammeter has ………… resistance
Low
Infinite
Zero
High
The resistance of an ideal voltmeter is …………
Low
Infinite
Zero
High
A diode has ………..
one pn junction
two pn junctions
three pn junctions
none of the above
A forward biased pn junction diode has a resistance of the order of
Ω
kΩ
MΩ
Gelien Sales
Sin o mas taas sa dua?
Sir Legada
Sir Sales
Sin o ang grave mang failure sa ECE..?..
Sir Dador
Sir Malunda
Sir Legada
Sir Sales
None of the Above
