Home
Class 12
PHYSICS
Assertion : Two bulbs of same wattage, o...

Assertion : Two bulbs of same wattage, one having a carbon filament and the other having a metallic filament are connected in series. Metallic bulbs will glow more brightly than carbon filament bulb.
Reason : Carbon is a semiconductor.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the cor rect explanation of the assertion.

C

If assertion is true but reason is false

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • HEATING AND CHEMICAL EFFECT OF CURRENT

    ERRORLESS |Exercise Heating Effect of Current|2 Videos

  • HEATING AND CHEMICAL EFFECT OF CURRENT

    ERRORLESS |Exercise Chemical Effect Current|1 Videos

  • ELECTROSTATICS

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Electric Flux and Gauss.s Law)|28 Videos

  • KINETIC THEORY OF GASES

    ERRORLESS |Exercise QUESTIONS|126 Videos

Similar Questions

Explore conceptually related problems

Two bulbs of same wattage, one having a carbon filament and the other having a metallic filament, are connected in series to the mains. Which one will glow more ?

Two 100W bulbs one having the tungsten filament and the other carbon filament are joined in series with a power supply. How will their brightness change as time passes on .

Prove that 60 W bulb glows more brightly than 100 W bulb if by mistake they are connected in series.

Two electric bulbs of 50 W and 100 W are given. When they are (i) connected in series (ii) connected in parallel, which bulb will glow more ?

Assertion : Two 60 W bulbs are first connected in series and then in parallel with same battery. Total power produced in second case will become four times. Rated voltage is same for two bulbs. Reason : In series total power produced will be 30 W and in parallel 120 W.

Assertion : Two electric bulbs of 50 and 100 W are given. When connected in series 50 W bulb glows more but When connected parallel 100 W bulb glows more . Reason : In series combination, power is direclty proportional to the resistance of circuit. But in parallel combination, power is inversely proportional to the resistance of the circuit.