Advertisements
Advertisements
प्रश्न
Two resistors of resistances 2 Ω and 3 Ω are connected in parallel to a cell to draw current 0.5 A from the cell. Draw a labelled diagram of the arrangement
Advertisements
उत्तर

APPEARS IN
संबंधित प्रश्न
Complete the following :-
(c)

Show how you would connect three resistors, each of resistance 6 Ω, so that the combination has a resistance of 9 Ω.
In the circuit given below:
(a) What is the combined resistance?
(b) What is the p.d. across the combined resistor?
(c) What is the p.d. across the 3 Ω resistor?
(d) What is the current in the 3 Ω resistor?
(e) What is the current in the 6 Ω resistor?
A wire of resistance R1 is cut into five equal pieces. These five pieces of wire are then connected in parallel. If the resultant resistance of this combination be R2, then the ratio `R_1/R_2` is:
(a) `1/25`
(b)1/5
(c)5
(c)25
Are the lights in your house wired in series?
Four resistors each of resistance 2Ω are connected in parallel. What is the effective resistance?
You have three resistors of values 2Ω, 3Ω and 5Ω. How will you join them so that the total resistance is less than 1Ω? Draw diagram and find the total resistance.
Two devices are connected between two points say A and B in parallel. The physical quantity that will remain the same between the two points is:
Calculate the current flows through the 10 Ω resistor in the following circuit.

A coil in the heater consumes power P on passing current. If it is cut into halves and joined in parallel, it will consume power:
