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Ohmic and Non Ohmic Resistors

Question 1A c...

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Question 1
A cell, a resistor, a key and an ammeter are arranged as shown in the circuit diagrams given below. The current recorded in the ammeter will be

(a) maximum in (i)
(b) maximum in (ii)
(c) maximum in (iii)
(d) same in all the cases

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Solution

(d) the same in all the cases

Since the potential difference and resistance in all three cases are equal, the current will be same.

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Similar questions

Question 1
A cell, a resistor, a key and an ammeter are arranged as shown in the circuit diagrams given below. The current recorded in the ammeter will be

(a) maximum in (i)
(b) maximum in (ii)
(c) maximum in (iii)
(d) same in all the cases

Q. A cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams of Figure (i), (ii) and (iii). The current recorded in the ammeter will be

Question 2
In the following circuits (figure), heat produced in the resistor or combination of resistors connected to a 12V battery will be

(a) same in all the cases
(b) minimum in case (i)
(c) maximum in case (ii)
(d) maximum in case (iii)

Q. Draw a circuit diagram of an electric circuit containing a cell, a key, an ammeter, a resistor of

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8 Ω

each ) in parallel and a voltmeter across parallel combination. Each of them dissipate maximum energy and canwithstand a maximum power of

16 W

without melting. Find the maximum current that can flow through the three resistors.

Q. An electrical circuit, shown below, consists of a battery, an ammeter, three resistors and two keys.
Consider two cases:
(i) The key

K_{1}

is closed and the key

K_{2}

is open.
(ii) The key

K_{2}

is closed and the key

K_{1}

is open.
The ratio of respective currents in these two cases will be

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Ohmic and Non Ohmic Resistors

Standard X Physics

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