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c) A potential divider consisting of component P and a resistor R is connected to a 12 V supply. The lamp Q and a voltmeter are connected to the circuit as shown. R 12 V The supply has a negligible internal resistance. The reading on the voltmeter is 4.0 V. (i) Use the graph in part (b) to determine the current in the resistor R. Current = (ii) Calculate the resistance of the resistor R. P.

c) A potential divider consisting of component P and a resistor R is connected to a 12 V supply. The lamp Q and a voltmeter are connected to the circuit as shown. R 12 V The supply has a negligible internal resistance. The reading on the voltmeter is 4.0 V. (i) Use the graph in part (b) to determine the current in the resistor R. Current = (ii) Calculate the resistance of the resistor R. P.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Name: Date- nhe current I varies with potential difference V for two P and Q. (c) A potential divider consisting of component P and a resistor R is connected to a 12 V supply. The lamp Q and a voltmeter are connected to the circuit as shown. R 12 V P Q The supply has a negligible internal resistance. The reading on the voltmeter is 4.0 V. (i) Use the graph in part (b) to determine the current in the resistor R. Current (ii) Calculate the resistance of the resistor R. Resistance =
Transcribed Image Text:Name: Date- nhe current I varies with potential difference V for two P and Q. (c) A potential divider consisting of component P and a resistor R is connected to a 12 V supply. The lamp Q and a voltmeter are connected to the circuit as shown. R 12 V P Q The supply has a negligible internal resistance. The reading on the voltmeter is 4.0 V. (i) Use the graph in part (b) to determine the current in the resistor R. Current (ii) Calculate the resistance of the resistor R. Resistance =
Name: (b) The graph shows how the current I varies with potential difference V for two electrical components P and Q. 0.9 0,8 0,7 0.6 0,5 0.4 0.3 0,2 0.1 0. 1 2 3 4 7 8 9. 10 11 12 VIV (i) State the value of the current for which the resistance of P is the same as the resistance of Q and determine this value of resistance. 0.76 A Current = The valve for the Cirent for which the reistance ofpisthe sane as the reststance of Q and the valve of resTstance is R =lo- Oits Resistance = 13.33 ohm *(ii) Component Q is a filament lamp. Explain the shape of its graph. As wehnow that component Q is Filament se it is obvious that it s ahontinear devke al it will show the non-linear -V Characteristic which is reflectedl in the obove figuri Flom the -V es crrant increase and resistance of the filament Increase graphiitis ckal that the ratio of VII increcse with tempeatre.
Transcribed Image Text:Name: (b) The graph shows how the current I varies with potential difference V for two electrical components P and Q. 0.9 0,8 0,7 0.6 0,5 0.4 0.3 0,2 0.1 0. 1 2 3 4 7 8 9. 10 11 12 VIV (i) State the value of the current for which the resistance of P is the same as the resistance of Q and determine this value of resistance. 0.76 A Current = The valve for the Cirent for which the reistance ofpisthe sane as the reststance of Q and the valve of resTstance is R =lo- Oits Resistance = 13.33 ohm *(ii) Component Q is a filament lamp. Explain the shape of its graph. As wehnow that component Q is Filament se it is obvious that it s ahontinear devke al it will show the non-linear -V Characteristic which is reflectedl in the obove figuri Flom the -V es crrant increase and resistance of the filament Increase graphiitis ckal that the ratio of VII increcse with tempeatre.
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