Advertisements
Advertisements
प्रश्न
State the condition when it is advantageous to connect cells in parallel.
Advertisements
उत्तर
It is advantageous to connect cells in parallel if the internal resistance of each cell is high enough compared to the external resistance.
संबंधित प्रश्न
Calculate the number of electrons constituting one coulomb of charge.
Which of the following equation shows the correct relationship between electrical unit?
1A = 1C/s or 1c= 1A/s
Tick(✓) the correct choice in the following:
A three pin plug is connected to the lead for a 1 kW electric iron to be
used on a 250 V supply. Which of the following statements is not correct?
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.

What is the function of a step-up transformer?
Match the items in column-I to the items in column-II:
| Column - I | Column - II |
| (i) electric current | (a) volt |
| (ii) potential difference | (b) ohm meter |
| (iii) specific resistance | (c) watt |
| (iv) Electrical power | (d) joule |
| (v) electrical energy | (e) ampere |
In the process of current flow through a conductor, the amount of charge passing per unit time gives:
