A dry cell of emf 1.5 V and internal resistance 0.10 is connected across a resistor in series with a very low resistance ammeter. When the circuit is switched on, the ammeter reading settles to a steady rate of 2A. Find (i) chemical energy consumption of the cell (ii) energy dissipation inside the cell (iii) energy dissipation inside the resistor (iv) power output of source is |
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a) |
(i) 3 W (ii) 0.4 W (iii) 2.6 W (iv) 2.6 W |
b) |
(i) 0.4 W (ii) 3 W (iii) 2.6 W (iv) 2.6 W |
c) |
(i) 2.6 W (ii) 0.4 W (iii) 9 W (iv) 1 W |
d) |
None of the above |
A dry cell of emf 1.5 V and internal resistance 0.10 is connected across a resistor in series with a very low resistance ammeter. When the circuit is switched on, the ammeter reading settles to a steady rate of 2A. Find (i) chemical energy consumption of the cell (ii) energy dissipation inside the cell (iii) energy dissipation inside the resistor (iv) power output of source is |
|||
a) |
(i) 3 W (ii) 0.4 W (iii) 2.6 W (iv) 2.6 W |
b) |
(i) 0.4 W (ii) 3 W (iii) 2.6 W (iv) 2.6 W |
c) |
(i) 2.6 W (ii) 0.4 W (iii) 9 W (iv) 1 W |
d) |
None of the above |
(a) (i) Rate of chemical energy consumption 3 W (ii) Rate of energy dissipation inside the cell W (iii) Rate of energy dissipation inside the resistor W = 2.6 W (iv) Power output of source W = 2.6 W represents rate of chemical energy consumption of the cell. represents the rate of energy dissipation inside the cell. represents the power output of the source of emf. |