arrow
arrow
arrow
The resistance of a lamp rated at 240 V and 60 watts equal to
Question

The resistance of a lamp rated at 240 V and 60 watts equal to

A.

120 ohms

B.

240 ohms

C.

4800 hms

D.

960 ohms

Correct option is D


The resistance of the lamp can be calculated using the formula:

where:
· R= Resistance of the lamp (ohms),
· V= Voltage rating of the lamp (volts),
· P= Power rating of the lamp (watts).
Step 1: Substitute the given values:

test-prime-package

Access ‘ISRO Electrical Engineering’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
354k+ students have already unlocked exclusive benefits with Test Prime!
test-prime-package

Access ‘ISRO Electrical Engineering’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
354k+ students have already unlocked exclusive benefits with Test Prime!
Our Plans
Monthsup-arrow