15. Group of cells is called a battery. In series grouping of cells their emf's are additive or subtractive while
their internal resistances are always additive. Consider a case where, a 20 V battery of internal resistance
1 Q is connected to three coils of 12 0,6 Q and 4 Q in parallel, a resistor of 5 Q and a reversed battery
(e.mf. = 8 V and internal resistance 2 Q) as shown in figure.
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Answer: THE ANSWER IS IN THE FIGURE!
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additive. Consider a case where, a 20 V battery of internal resistance
1 Q is connected to three coils of 12 0,6 Q and 4 Q in parallel, a resistor of 5 Q and a reversed battery
(e.mf. = 8 V and internal resistance 2 Q) as shown in figure.
Explanation:
A battery is usually composed of a series of cells that produce electricity. Each cell has three essential components: the anode, the cathode
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