Advertisements
Advertisements
प्रश्न
State expression for Cells connected in parallel.
Advertisements
उत्तर
I = `"nE"/"nR + r"` cells in parallel.
APPEARS IN
संबंधित प्रश्न
A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω, 0.5 Ω and 12 Ω, respectively. How much current would flow through the 12 Ω resistor?
Name the following substances:
(i) Showing low resistivity,
(ii) Showing very high resistivity,
(iii) Showing moderate resistivity.
What potential difference is needed to drive a current o f 1 A through a 5 Ω resistor?
How does the resistivity of a semiconductor depend on temperature?
Define the term resistivity and state its S.I. unit. Which will have higher resistivity a conductor or an insulator.
State a relation between electrical power, resistance and potential difference in an electrical circuit.
In the circuit shown below, calculate the equivalent resistance between the points (i) A and B, (ii) C and D.
Illustrate-combination of cells e.g., three cells, in parallel, explaining the combination briefly. Obtain an expression for current ‘i’ in the combination.
Two wires of same material and same lengths have radii in the ratio of 2 : 3, Compare their resistances.
