Advertisements
Advertisements
प्रश्न
State how are the two resistors joined with a battery when same current flows in each resistor.
Advertisements
उत्तर
Series
APPEARS IN
संबंधित प्रश्न
(i) Two sets A and B, of three bulbs each, are glowing in two separate rooms. When one of the bulbs in set A is fused, the other two bulbs also cease to glow. But in set B, when one bulb fuses, the other two bulbs continue to glow. Explain why this phenomenon occurs.
(ii) Why do we prefer arrangements of Set B for house circuiting?
If the length of a wire is doubled by taking more of wire, what happens to its resistance?
The diagram below shows part of a circuit:
If this arrangement of three resistors was to be replaced by a single resistor, its resistance should be:
(a) 9 Ω
(b) 4 Ω
(c) 6 Ω
(d) 18 Ω
Name the following substances:
(i) Showing low resistivity,
(ii) Showing very high resistivity,
(iii) Showing moderate resistivity.
Calculate the equivalent resistance of the following combination of resistor r1, r2, r3, and r4

Three resistors of 6.0 Ω, 2.0 Ω and 4.0 Ω are joined to an ammeter A and a cell of emf 6.0 V as shown in the following figure. Calculate :
- the effective resistance of the circuit.
- the reading of ammeter.

State a relation between electrical power, resistance and potential difference in an electrical circuit.
What is the equivalent resistance between the points X and Y for the given network?
In an electrical circuit, two resistors of 2 Ω and 4 Ω respectively are connected in series to a 6 V battery. The heat dissipated by the 4 Ω resistor in 5 s will be ______.
