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Electronics1 Lab

Total questions: 20

Worksheet time: 7mins

Name
Class
Date
1.

An instrument used to measure current is

a)

Voltmeter

b)

Ammeter

c)

Multimeter

d)

Speedometer

2.

An instrument used to measure voltage is

a)

Multimeter

b)

Ammeter

c)

Voltmeter

d)

voltage gauge

3.

An electronic component used to allow current to flow in one direction

a)

resistor

b)

diode

c)

capacitor

d)

voltage source

e)

ground

4.

Is an electronic component that is used to reduce current flow, divide voltages and adjust signal levels.

a)

Resistor

b)

capacitor

c)

inductor

d)

diode

5.

A two-terminal device that which can maintain a fixed voltage.

a)

Voltage drop

b)

Voltage potential

c)

Voltage source

d)

Voltage fixer

6.

Ammeter in connected _____ with the component where current is measured.

a)

parallel

b)

shunt

c)

series

d)

in lined

7.

Voltmeter is connected in _____ with the component where voltage is measured.

a)

parallel

b)

series

c)

series - parallel

d)

any of the above

8.

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.

a)

voltage reference

b)

earth fault

c)

ground

d)

conventional flow

9.

A semiconductor device that essentially acts as a one-way switch for current.

a)

resistor

b)

diode

c)

ground

d)

capacitor

10.

A ______ value for the current implies the actual direction of current through that circuit element is opposite that of the chosen reference direction.

a)

correct

b)

negative

c)

positive

d)

neutral

11.

A galvanometer in series with a high resistance is called ……………

a)

An ammeter

b)

A voltmeter

c)

A wattmeter

d)

None of the above

12.

An ammeter should have ………….. resistance

a)

Infinite

b)

Very large

c)

Very low

d)

None of the above

13.

A voltmeter should have ………. resistance

a)

Zero

b)

Very high

c)

Very low

d)

None of the above

14.

When an ammeter is inserted in the circuit, the circuit current will ………..

a)

Increase

b)

Decrease

c)

Remain the same

d)

None of the above

15.

An ideal ammeter has ………… resistance

a)

Low

b)

Infinite

c)

Zero

d)

High

16.

The resistance of an ideal voltmeter is …………

a)

Low

b)

Infinite

c)

Zero

d)

High

17.

A diode has ………..

a)

one pn junction

b)

two pn junctions

c)

three pn junctions

d)

none of the above

18.

A forward biased pn junction diode has a resistance of the order of

a)

Ω

b)

c)

d)

Gelien Sales

19.

Sin o mas taas sa dua?

a)

Sir Legada

b)

Sir Sales

20.

Sin o ang grave mang failure sa ECE..?..

a)

Sir Dador

b)

Sir Malunda

c)

Sir Legada

d)

Sir Sales

e)

None of the Above