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please help me with question no f8 explain it in detail

please help me with question no f8 explain it in detail
 

Question Image
Grade:12

1 Answers

Arun
25768 Points
2 years ago
Dear Pushkar
 
I am getting my answer as V = 0.4 Volts
 
 Let the voltmeter reading when, the voltage is 0 be X. l base 1R/ l base 2R = V base 1/V base 2 ⇒ 1.75/2.75 = 14.4 – V/22.4 – V ⇒ 0.35/0.55 = 14.4 – V/22.4 – V ⇒ 0.07/0.11 = 14.4 – V/22.4 – V ⇒ 7/11 = 14.4 – V/22.4 – V ⇒ 7(22.4 - V) = 11(14.4 - V) ⇒ 156.8 – 7V = 158.4 – 11V ⇒(7 - 11)V = 156.8 – 158.4 ⇒ -4V = - 1.6 ⇒ V = 0.4 V.
 
Hope it helps
 
Regards
Arun (askIITians forum expert)

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