Short answerEasy1 mark
3(c)
How does an increase in the temperature affect the specific resistance of a :
Semiconductor?
Topic: Current, resistance and circuits
Previous-year question practice database
Answer
Exam answer
For a semiconductor, resistivity decreases with temperature.
More from Current Electricity
In the circuit given below, identify the lamp (L1, L2, L3 and L4) whose failure would not interrupt the power supply to the other lamps.
(a) L1
(b) L2
(c) L3
(d) L42026The correct formula to calculate the equivalent resistance of two resistors R₁ and R₂ when connected in parallel, is:
(a) (R₁ + R₂) / (R₁R₂)
(b) (R₁R₂) / (R₁ + R₂)
(c) (R₁ − R₂) / (R₁R₂)
(d) (R₁R₂) / (R₁ − R₂)2026A substance whose resistance becomes almost negligible at a temperature near absolute zero is called a ............... [semiconductor / superconductor].2026How will the voltmeter reading change? (increase / decrease / remain the same)2026Justify your answer stated in (a) above.2026Calculate the ratio V1 : V2.2026