Voltage (V) 120 100 80 40 20 0 0 30 Time (us) The load must be predominantly resistive. The average current in the load is 1.0A. The RMS current in the load is approximately 1.414A. The load must be predominantly inductive. The resistive part of the load is 200ohms. The average current in the load is 0.6A. The resistive part of the load is 50ohms. Voltage across load 10 20 40 50 60 Current (A) 2 1.5 0.5 0 10 Current through load 20 30 Time (us) 40 50 60

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Question
Consider the switching waveforms shown below, operating with a duty-cycle of 30%.
Which statements correctly describe the switching circuit, load and circuit operation?
(Multiple answers possible, but wrong answers will deduct marks)
Voltage across load
Voltage (V)
000
120
0000
100
80
60
40
20
30
Time (us)
The load must be predominantly resistive.
The average current in the load is 1.0A.
The RMS current in the load is approximately 1.414A.
The load must be predominantly inductive.
The resistive part of the load is 200ohms.
The average current in the load is 0.6A.
O The resistive part of the load is 50ohms.
0
0
10
20
40
50
60
Current (A)
2
5
0.5
0
0
10
Current through load
20
W
30
Time (us)
40
50
60
Transcribed Image Text:Consider the switching waveforms shown below, operating with a duty-cycle of 30%. Which statements correctly describe the switching circuit, load and circuit operation? (Multiple answers possible, but wrong answers will deduct marks) Voltage across load Voltage (V) 000 120 0000 100 80 60 40 20 30 Time (us) The load must be predominantly resistive. The average current in the load is 1.0A. The RMS current in the load is approximately 1.414A. The load must be predominantly inductive. The resistive part of the load is 200ohms. The average current in the load is 0.6A. O The resistive part of the load is 50ohms. 0 0 10 20 40 50 60 Current (A) 2 5 0.5 0 0 10 Current through load 20 W 30 Time (us) 40 50 60
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