Which of the following are insulators?
(1) Chalk
(2) Pencil lead
(3) Rubber tubing
(4) Aluminium foil
S2 Science Unit 8 Making use of electricity
Quiz
•
Science
•
8th Grade
•
Hard
Cho Yu
Used 41+ times
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14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following are insulators?
(1) Chalk
(2) Pencil lead
(3) Rubber tubing
(4) Aluminium foil
(1) and (3) only
(1) and (4) only
(1), (2) and (3) only
(1), (2), (3) and (4)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following correctly describes the direction of the current flowing in the circuit above?
Positive terminal of battery → light bulb → switch → negative terminal of battery
Negative terminal of battery → switch → light bulb → positive terminal of battery
Positive terminal of battery → switch → light bulb → negative terminal of battery
The current sometimes flows clockwise and sometimes anticlockwise.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reading of the ammeter shown?
36 mA
336 mA
360 mA
3.6 A
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following does NOT make use of the heating effect of electric current?
television
toaster
kettle
heater
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If we want to measure the voltage across the resistor, how should we connect the voltmeter?
(1) only
(2) only
(1) and (3) only
(2) and (3) only
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The two voltmeters in the circuit below are identical. The voltage of the electric cell is 1.5 V. Which of the following statements about the circuit is correct?
If voltmeter Q is disconnected, the reading of voltmeter P will become zero.
The reading of voltmeter P is larger than the reading of voltmeter Q.
The reading of voltmeter P is smaller than the reading of voltmeter Q.
Voltmeters P and Q show the same readings.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student uses an ammeter and a voltmeter to measure the current flowing through a bulb and the voltage across a battery in a circuit. Which of the following circuit diagrams shows the correct connection?
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