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Three resistors are connected as shown in Fig. 1.37. Through the resistor of 5 2, acurrent of 1 A is flowing.(a) Find the potential difference across AB and across AC.(b) Calculate the current across the other two resistors.(C)What is the total resistance ?answer fastly |
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Answer» Answer: potential DIFFERENCE ( v ) = R × I POTENTIAL DIFFERENCE ACROSS AB= RESISTANCE (R) = 5 OHMS CURRENT (I) = 1 AMPERE SO V = 1×5 •) V= 5 VOLTS NOW , ACROSS AC RESISTANCE (R) = ?? CURRENT (I) = 1 now for TOTAL resistance =
by parallel law - 1/Rp = 1/R2 + 1/R3 1/Rp = 1/10 + 1/15 1/Rp =( 3 + 2)/ 30 Rp = 30 / 5 = 6 ohms ------------ eq 1 now by series law ( from eq 1 ) Rs = R1 + Rp Rs = 5 + 6 Rs = 11 ohms -------------eq 2 now by eq 2 VOLTAGE ACROSS AC = 11 × 1 = 11 volts B) now voltage across R2 AND R3 BY EQUATION 1 RESISTANCE= 5 OHMS CURRENT = 1 AMPERE HENCE VOLTAGE = 5 × 1 = 5 volts now c) total resistance = 11 ohms ( from eq 2) THANKS hope it helps ............... seee mujhe nhi pata ki Apne kyu phucha but itna pata hai ki faltu Mai nhi phucha Dekho maybe iam wrong but aap merko jannti hai kya qki mere bhout sai CLASS mates mere Saath yeh kaam krte hai aur mujhse Saab Kuch phucte hai about my LIFE .......... Acha waise kya apke close friend hai kya koi ????????????? # Question repeated.... |
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