A current of 0.25 A flows in the main circuit. Now,the resistance R is

1.	A current of 0.25 A flows in the main circuit. Now,the resistance R is disconnected and then connectedacross the 4 ohm resistance. Current in the circuit is?
Answer» ANSWER: ANSWER The EQUIVALENT resistance of circuit is R eq =R+60∣∣(20∣∣10)=R+60∣∣( 20+10 20×10 )=R+60∣∣(20/3)=R+ 60+20/3 60×20/3 =R+(1200/200)=R+6 Now current , i= R+6 12 =0.25 or R+6= 0.25 12 =48 ∴R=48−6=42Ω

A current of 0.25 A flows in the main circuit. Now,the resistance R is disconnected and then connectedacross the 4 ohm resistance. Current in the circuit is?

Answer»

ANSWER:

ANSWER

The EQUIVALENT resistance of circuit is R

=R+60∣∣(20∣∣10)=R+60∣∣(

20+10

20×10

)=R+60∣∣(20/3)=R+

60+20/3

60×20/3

=R+(1200/200)=R+6

Now current , i=

R+6

=0.25

or R+6=

0.25

=48

∴R=48−6=42Ω

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A current of 0.25 A flows in the main circuit. Now,the resistance R is disconnected and then connectedacross the 4 ohm resistance. Current in the circuit is?​

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A current of 0.25 A flows in the main circuit. Now,the resistance R is disconnected and then connectedacross the 4 ohm resistance. Current in the circuit is?