Two Incandescent light bulbs of 40 W and 60 W rating are connected in – McqOptions

MCQOPTIONS

1.	Two Incandescent light bulbs of 40 W and 60 W rating are connected in series across the supply voltage, V then
A.	the bulbs together consume 100 W
B.	the bulbs together consume 50 W
C.	the 60 W bulb glows brighter.
D.	the 40 W bulb glows brighter.
Answer» D. the 40 W bulb glows brighter.

Discussion

No Comment Found

Related MCQs

In the circuit shown below, the values of i(0+) and i( ), will be respectively
For a two-port network the three parameters A, B and C are given by A = x1, B = x2, C = 1 x2 then D is equal to under the network to be reciprocal
For the figure given below which of these sets of E, R and C value will ensure that the state equation dVc / dt = 1.25 VC + 2 is valid
Given T.F. H (s) = s + 2 / s2 + s + 4, under steady state condition, the sinusoidal input and output are respectively x (t) = cos 2t y (t) = cos (2t + ), then angle of will be
Extra element present in the given circuit
The Laplace transform of a function f(t) u(t), where f (t) is periodic with period T, is A(s) times the L.T. of its first period. Then
The resonant frequency of the circuit
In the figure the transformer is ideal with adjustable turns ratio N2 / N1 . The turns ratio N2 / N1 for maximum power transfer to the load is
A single phase transformer is connected as shown in fig. when a voltage of 100 V (rms) was applied across AB, the voltmeter connected across AC measured 100 V (rms). The turns ratio N1: N2 is
Find the value of R so that V2 = 2 volt