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JEE Main 201511 AprilOnline
Exam
JEE Main
Year
2015
Date
11 April
Mode
Online
Subject
Physics
Chapter
Semiconductors

JEE Main 2015 · 11 April · Online · Physics · Semiconductors

A 2V battery is connected across AB as shown in the figure. The...

A 2V2V battery is connected across ABAB as shown in the figure. The value of the current supplied by the battery when in first case battery's positive terminal is connected to AA and in second case when positive terminal of battery is connected to BB will respectively be:
A 2V battery is connected across AB as shown in the figure. The value of the current supplied by the battery when in

Options

  1. A0.2A0.2A and 0.1A0.1A
  2. B0.1A0.1A and 0.2A0.2A
  3. C0.2A0.2A and 0.4A0.4A
  4. D0.4A0.4A and 0.2A0.2A

Correct answer

D. 0.4A0.4A and 0.2A0.2A

Step-by-step solution

When +ve+ \text{ve} polarity is connected to A\text{A}

Then D1{D}_{1} is forward biased and D2{D}_{2} is reversed biased i.e.

A 2V battery is connected across AB as shown in the figure. The value of the current supplied by the battery when in

∴I1∴{I}_{1} current through D1=25=0.4A{D}_{1} = \dfrac{2}{5} = 0.4A

When +ve+ \text{ve} polarity is connected to B\text{B} then D2{D}_{2} is forward biased and D1{D}_{1} is reversed biased then

A 2V battery is connected across AB as shown in the figure. The value of the current supplied by the battery when in

⇒I2=210=0.2A⇒ {I}_{2} = \dfrac{2}{10} = 0.2A
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