a 20V battery of internal resistance 1 ohm is connected to three coils of 12 ohm,6 ohm,and 4 ohm in parallel,a resistor of 5 ohm and a reversed battery (emf 8 V and internal resistance 2 ohm) . calculate the current in each resistor and tje terminal potential difference across each battery

Question

Eshan · Answer

The circuit looks like the one shown above.

The equivalent resistance of the parallel combination is $\dfrac{1}{R'}=\dfrac{1}{12}+\dfrac{1}{6}+\dfrac{1}{4}$
$\implies R'=2\Omega$

The current given out of the battery is $\dfrac{20-8}{1+2+5+2}A=1.2A$
Terminal potential difference across 20V battery= $20-ir_1$

Terminal potential difference across 8V battery= $8+ir_2$

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a 20V battery of internal resistance 1 ohm is connected to three coils of 12 ohm,6 ohm,and 4 ohm in parallel,a resistor of 5 ohm and a reversed battery (emf 8 V and internal resistance 2 ohm) . calculate the current in each resistor and tje terminal potential difference across each battery

a 20V battery of internal resistance 1 ohm is connected to three coils of 12 ohm,6 ohm,and 4 ohm in parallel,a resistor of 5 ohm and a reversed battery (emf 8 V and internal resistance 2 ohm) . calculate the current in each resistor and tje terminal potential difference across each battery

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a 20V battery of internal resistance 1 ohm is connected to three coils of 12 ohm,6 ohm,and 4 ohm in parallel,a resistor of 5 ohm and a reversed battery (emf 8 V and internal resistance 2 ohm) . calculate the current in each resistor and tje terminal potential difference across each battery

a 20V battery of internal resistance 1 ohm is connected to three coils of 12 ohm,6 ohm,and 4 ohm in parallel,a resistor of 5 ohm and a reversed battery (emf 8 V and internal resistance 2 ohm) . calculate the current in each resistor and tje terminal potential difference across each battery

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