Home›Browse›Everyday Science›MCQ

mediumFPSCNTSCSSPPSCEveryday Science

Answer explanation

Explanation included

Practice quiz ready

Question

Vacuum tubes have been replaced by__________?

AConductors

BDiodes

CTransistors

DNone of these

Choose an option to check yourself, or reveal the answer and explanation instantly.

More Everyday Science MCQs

Continue practising this MCQ topic

Use these links to review the full topic, start a timed quiz, or open the exam hub connected with this question.

Everyday Science MCQs Start Everyday Science Quiz FPSC prep NTS prep CSS prep PPSC prep

Related Everyday Science MCQs

1Which planet is known as the Red Planet?2How many bones are in the adult human body?3Which gas is most abundant in Earth's atmosphere?4Speed of light is approximately?5Who is known as Father of Computer?6The book 'Glimpses of World History' was written by:

Start Quiz More MCQs

Answer and explanation

Correct Answer: C: Transistors

Explanation: The correct answer is C: Transistors. Vacuum tubes have been replaced by transistors in electronic devices. Transistors are smaller, more efficient, and more reliable than vacuum tubes, revolutionizing electronics and enabling modern computing.

Continue practice

More Everyday Science MCQs with answers

Use these links to review related questions, practise the full topic, or open the exam preparation pages connected with this MCQ.

Related questions

Topic and exam paths

All Everyday Science MCQs Start Everyday Science quiz FPSC preparation NTS preparation CSS preparation PPSC preparation