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संबंधित प्रश्न
What is an electric current?
V1, V2 and V3 are the p.ds. across the 1Ω, 2Ω and 3Ω resistors in the following diagram, and the current is 5 A.
Which one of the columns (a) to (d) shows the correct values of V1, V2 and V3measured in volts?
`V_1` `V_2` `V_3`
(a) 1.0 2.0 3.0
(b) 5.0 10.0 15.0
(c) 5.0 2.5 1.6
(d) 4.0 4.0 2.0
What is the purpose of fuse in an electrical circuit?
Three heaters each rated 250 W, 100 V are connected in parallel to a 100 V supply. The resistance of each heater
Which part of an electrical appliance is earthed?
Name any two devices, which are working on the heating effect of the electric current.
