Advertisements
Advertisements
Question
Advertisements
Solution
APPEARS IN
RELATED QUESTIONS
If 20 C of charge pass a point in a circuit in 1 s, what current is flowing?
A battery and three lamps are connected as shown:
Which of the following statements about the currents at X, Y and Z is correct?
(a) The current at Z is greater than that at Y.
(b) The current at Y is greater than that at Z.
(c) The current at X equals the current at Y.
(d) The current at X equals the current at Z.
A given wire of resistance 1 Ω is stretched to double its length. What will be its new resistance?
Complete the following sentence:
A fuse is a short piece of wire of high ......... and low
Tick(✓) the correct choice in the following:
When the length of a conductor is doubled the resistance of the conductor
will
A current of 0.3 A is flowing through a branch of 6 Ω resistors in a junction as shown in fig. . Calculate the
(a) P.d. across the junction XY,
(b) Current flowing through 9Ω and 24Ω
( c) P.d. across 24 Ω resistor, and
( d) e.m.f. of the cell.
Fill in the blank :
1 mA = ............................. A.
State expression for Cells connected in series.
