Two incandescent lights of 40 W and 80 W are connected in series:
A. The current drawn is lesser than what either bulb would draw alone
B. The voltage across the 80 W bulb is lesser than that across the 40 W bulb
C. The power dissipated by the 80 W bulb is greater than that by the 40 W bulb
D. The current drawn in the average of what of either bulb would draw alone
Answer: Option B
A. Negative
B. Positive
C. Determined by battery e.m.f.
D. Zero
The number of independent equations to solve a network is equal to
A. The number of chords
B. The number of branches
C. Sum of the number of branches and chords
D. Sum of number of branches, chords and nodes
A closed path made by several branches of the network is known as
A. Branch
B. Loop
C. Circuit
D. Junction
Which of the following is not a nonlinear element ?
A. Gas diode
B. Heater coil
C. Tunnel diode
D. Electric arc

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