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17. Draw circuit diagram showing the combination of Resistors Rand parallel and R, in Series, including ammeter and voltmeter and makedirection of electric current |
Answer» <html><body><p>tion:Here the circuit in which a resistor of resistance 4Ω is attached in <a href="https://interviewquestions.tuteehub.com/tag/series-1201802" style="font-weight:bold;" target="_blank" title="Click to know more about SERIES">SERIES</a> and two resistors of resistance 8Ω are attached in parallel. Also, Ammeter and voltmeter attached in the circuit in series and parallel respectively.Now, Maximum <a href="https://interviewquestions.tuteehub.com/tag/power-2475" style="font-weight:bold;" target="_blank" title="Click to know more about POWER">POWER</a> of each resistor is 16W 4Ω resistor is <a href="https://interviewquestions.tuteehub.com/tag/joined-521893" style="font-weight:bold;" target="_blank" title="Click to know more about JOINED">JOINED</a> in series with circuit .so, Power=i 2 R , here i is current through resistor of resistance R 16=i 2 ∗4Ωi = 2A Now, 2A is passing through parallel resistors of resistance 8Ω.we know, in parallel <a href="https://interviewquestions.tuteehub.com/tag/potential-1161228" style="font-weight:bold;" target="_blank" title="Click to know more about POTENTIAL">POTENTIAL</a> difference be constant so,current divides two part , due to same resistance current on each resistance will be half . so, current passing through each parallel resistor is 2A2 =1AhSo, finally current through 4Ω resistor =2A current through each 8Ω resistor =<a href="https://interviewquestions.tuteehub.com/tag/1a-282723" style="font-weight:bold;" target="_blank" title="Click to know more about 1A">1A</a></p></body></html> | |