Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

What is reading in ammeter $A_1$ and $A_2$ in given circuit.

$(a)\;0A,0A \\ (b)\;0.2 A,0A \\ (c)\;0A,0.2A \\ (d)\;0.2A,0.2 A $
Can you answer this question?

1 Answer

0 votes
Diode 1 $D_1$ is in reverse bias and so offers infinite resistance .
Hence reading in $A_1$ is 0.
The Diode 2 is $D_2$ is in forward bias and offers 0 resistance .
$\therefore $ current in $A_2=\large\frac{1V}{5 \Omega}$$= 0.2 \;A$
Hence c is the correct answer.
answered Jan 27, 2014 by meena.p

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App