Physics Quiz: 4.3 Transistor

Physics Quiz: 4.3 Transistor

12th Grade

20 Qs

quiz-placeholder

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Physics Quiz: 4.3 Transistor

Physics Quiz: 4.3 Transistor

Assessment

Quiz

Physics

12th Grade

Medium

Created by

RASHIDAH Moe

Used 50+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Diagram shows an automatic switch circuit to light up a bulb during the day time. What changes should be done to light up the bulb at night?


Rajah menunjukkan litar suis automatik untuk menyalakan lampu semasa hari siang. Apakah perubahan yang perlu dilakukan untuk menyala mentol pada waktu malam?

Interchange R1 and R3

Tukar R1 dan R3

Reverse the terminal of the battery

Terbalikkan terminal bateri

Replace the npn transistor with a pnp transistor

Gantikan transistor npn dengan transistor pnp

Interchange R1 and the LDR

Terbalikkan R1 dan LDR

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The street lights use electronic control system that switches the lights on when the surrounding is dark. What is the input sensor of the control system?


Lampu jalan menggunakan sistem kawalan elektronik yang menghidupkan lampu ketika sekitarnya gelap. Apakah sensor input sistem kawalan?

Thermistor

Termistor

Light emitting diode

Diod pemancar cahaya

Microphone

Mikrofon

Light dependent resistor

Perintang peka cahaya

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Diagram shows a transistor circuit with a thermistor and a light bulb.

What happens to the resistance of the thermistor and the light bulb when the temperature of the surrounding is at room temperature?


Rajah menunjukkan suatu litar transistor dengan sebuah termistor dan mentol.

Apakah yang berlaku kepada rintangan termistor dan mentol itu apabila suhu sekeliling adalah pada suhu bilik?

Resistance of thermistor low and lights up

Rintangan termistor rendah dan menyala

Resistance of thermistor low and lights up

Rintangan termistor rendah dan tidak menyala

Resistance of thermistor low and lights up

Rintangan termistor tinggi dan menyala

Resistance of thermistor low and lights up

Rintangan termistor tinggi dan tidak menyala

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Diagram shows an automatic circuit using transistor. The resistance of thermistor decrease as the surronding temperature rises. The bell will ring when the potential difference across the resistor R is 4V. What is resistance of the thermistor?


Rintangan termistor berkurang jika suhu persekitaran bertambah. Loceng akan berbunyi apabila beza keupayaan merentasi R adalah 4V. Berapakah nilai rintangan resistor?

4 kΩ

5 kΩ

10 kΩ

16 kΩ

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many terminals are there in a transistor?

Berapakah bilangan terminal bagi sebuah transistor?

1

2

3

4

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

One function of the transistor is to____________?

Salah satu fungsi bagi transistor adalah untuk_______________?

rectify

menukar

amplify

menguat

limit

menghad

control

mengawal

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Diagram shows a light controlled switch. The alarm will be activated when

Rajah menunjukkan sebuah suis pengawal cahaya. Penggera akan diaktifkan apabila

the surrounding is dark

persekitaran gelap

the surrounding is bright

persekitaran cerah

the temperature of the surrounding is high

suhu persekitaran tinggi

the temperature of the surrounding is low

suhu persekitaran rendah

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