Calcualte the equivalent resistance between the terminals of the cell (figure) The resistance of each equivalent is `1Omega` and the intersecting diameters have resistance `2Omega` each.
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Two identical cells of emf 1.5V and internal resistance `1Omega` are joined in series and the combination is connected in parallel with a third cell o
Correct Answer - 1 v, 1V and 2V
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A battery of emf 6V internal resistance 5`Omega` is joined in parallel with another cell of emf of 10V and internal resistance `1Omega` and the combin
Correct Answer - `6/11 A through 6-V battery in opposition to its emf and `(1)3/11` A through 10-V battery in direction of the emf
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A battery of emf 6 volts and internal resistance `1Omega` is connected in parallel to another battery of emf 8V and internal resistance `2Omega`. The
Correct Answer - `5/8`A
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In a wheatstone bridge, the resistance of the arms of the bridge are AB = `2Omega`, BC = `4Omega` ,AD = `1Omega` and DC = `3Omega`. The terminals of n
Correct Answer - 0.0016 A
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Two batteries of emf 12V and 6V and internal resistance `2Omega` and `1Omega` are connected in parallel and the combination is connected to a resisor
Correct Answer - a) 8V, b) 6V, c)8V, 0.67 `Omega`
2 Answers 1 views
A wire of resistance `5Omega` is connected to a battery of emf 2V and internal resistance `1Omega` (a) How much energy is transferred from the chemica
Correct Answer - 80J, 66.7j, the rest is lost as heat in internal of the battery.
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A shortage battey with an emf of 10V and an internal resistance `1Omega` is connected across an extenal resistance R and liberates of 9W power. Find t
Correct Answer - 9V or 1V, `0Omega or 1//9Omega`
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The temperature coefficent of resistance of a wire is 0.00125 per `.^(@)C`, At 300 K, its resistance is `1Omega`. At what temperature will its resista
Correct Answer - `1173 K`
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The reading of a voltmoter when a cell is connected to it is 2.2 V. When the terminals of the cell are connected to a resistance of `4 Omega`, the vol
Correct Answer - `0.4 Omega`
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When a resistance of `2 Omega` is placed across the terminals of a battery, the current is 0.5 A. When the resistance across the terminals of the batt
Correct Answer - `1.5 V, 1 Omega`
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