B/ answer the following ( only 3) 1- Three resistance ( 10 2, 10 2, 10 N ) are connected in series, the total resistance will be. . b- 30 2 a- 10 2 e - 90 2 d - 9000 2 2- The diameter of copper wire is ( 1 mm) and the length is 100 m, if the resistivity of copper is ( 0.0159 u2.m ), the resistance will be . . a 22 b- 52 c - 10 2 d- 20 2 3- The power of lamp is 100 watt and the voltage of it is 200v. So the current pass through it will be . . c- 2A .......... a 0.5A b- 100A d-20000A 4- If the magnitude of voltage is v= 10sin(wt+30) and the current is i=5sin(wt-20), so the phase ship is....... b- (-10) a 10 C 50 d- (-50)

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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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B/ answer the following ( only 3 )
1- Three resistance ( 10 2 , 10 2, 10 2) are connected in series , the total
resistance will be ...
а- 10 2
b- 30 2
e - 90 2
d - 9000 2
2- The diameter of copper wire is ( 1 mm) and the length is 100 m, if the
resistivity of copper is ( 0.0159 µ2.m ), the resistance will be . .
c - 10 2
a 22
b- 52
d- 20 2
3 The power of lamp is 100 watt and the voltage of it is 200v. So the
current pass through it will be . .
c- 2A
a 0.5A
b- 100A
d-20000A
4 If the magnitude of voltage is v- 10sin(wt+30) and the current is
i=5sin(wt-20), so the phase ship is ...
b- (-10)
d (-50)
a 10
C- 50
Transcribed Image Text:B/ answer the following ( only 3 ) 1- Three resistance ( 10 2 , 10 2, 10 2) are connected in series , the total resistance will be ... а- 10 2 b- 30 2 e - 90 2 d - 9000 2 2- The diameter of copper wire is ( 1 mm) and the length is 100 m, if the resistivity of copper is ( 0.0159 µ2.m ), the resistance will be . . c - 10 2 a 22 b- 52 d- 20 2 3 The power of lamp is 100 watt and the voltage of it is 200v. So the current pass through it will be . . c- 2A a 0.5A b- 100A d-20000A 4 If the magnitude of voltage is v- 10sin(wt+30) and the current is i=5sin(wt-20), so the phase ship is ... b- (-10) d (-50) a 10 C- 50
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