Advertisements
Advertisements
प्रश्न
Which type of circuit, series or parallel, is preferred while connecting a large number of bulbs:
(b) for lighting inside the rooms of the hotel?
उत्तर
Parallel circuit: This is so because in a parallel circuit, if one bulb does not work properly, it does not affect the working of the other bulbs.
APPEARS IN
संबंधित प्रश्न
Draw the electrical symbols of the following components and state its use:
Rheostat (variable resistance)
In the circuit shown below, the voltmeter reads 10 V.
(a) What is the combined resistance?
(b) What current flows?
(c) What is the p.d. across 2 Ω resistor?
(d) What is the p.d. across 3 Ω resistor?
Draw a circuit diagram showing two electric lamps connected in parallel together with a cell and a switch that works both lamps. Mark an â’¶ on your diagram to show where an ammeter should be placed to measure the current.
In the network shown in the following adjacent Figure, calculate the equivalent resistance between the points.
- A and B
- A and C
Find the effective resistance in the following circuit diagrams (Fig.):
State whether the current is a scalar or vector?
A bulb is connected to a battery of p.d. 4 V and internal resistance 2.5 Ω . A steady current of 0.5 A flows through the circuit. Calculate:
The total energy supplied by the battery in 10 minutes
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 |