a) Find the time when the power delivered to the circuit element is maximum. b) Find the maximum value of power. c) Find the total energy delivered to the cir- cuit element.

Delmar's Standard Textbook Of Electricity
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ISBN:9781337900348
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Chapter29: Dc Generators
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Answer the 1.6 problem a, b, c. 

a) Find the time when the power delivered to
the circuit element is maximum.
b) Find the maximum value of power.
c) Find the total energy delivered to the cir-
cuit element.
Transcribed Image Text:a) Find the time when the power delivered to the circuit element is maximum. b) Find the maximum value of power. c) Find the total energy delivered to the cir- cuit element.
1.5
Assume that a 20 V voltage drop occurs across
an element from terminal 2 to terminal 1 and
that a current of 4 A enters terminal 2.
a) Specify the values of v and i for the polarity
references shown in Fig. 1.6(a)–(d).
b) State whether the circuit inside the box is
absorbing or delivering power.
c) How much power is the circuit absorbing?
Answer: (a) Circuit 1.6(a): v = -20 V, i = -4 A;
circuit 1.6(b): v = -20 V, i = 4 A;
circuit 1.6(c): v = 20 V, i = -4 A;
circuit 1.6(d): v = 20 V, i = 4 A;
(b) absorbing;
(c) 80 W.
The voltage and current at the terminals of the
circuit element in Fig 1.5 are zero for t < 0. For
12 0, they are
v = 80,000te¬$00 V,
1.6
12 0;
i = 15te S00r A.
12 0.
%3D
Transcribed Image Text:1.5 Assume that a 20 V voltage drop occurs across an element from terminal 2 to terminal 1 and that a current of 4 A enters terminal 2. a) Specify the values of v and i for the polarity references shown in Fig. 1.6(a)–(d). b) State whether the circuit inside the box is absorbing or delivering power. c) How much power is the circuit absorbing? Answer: (a) Circuit 1.6(a): v = -20 V, i = -4 A; circuit 1.6(b): v = -20 V, i = 4 A; circuit 1.6(c): v = 20 V, i = -4 A; circuit 1.6(d): v = 20 V, i = 4 A; (b) absorbing; (c) 80 W. The voltage and current at the terminals of the circuit element in Fig 1.5 are zero for t < 0. For 12 0, they are v = 80,000te¬$00 V, 1.6 12 0; i = 15te S00r A. 12 0. %3D
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