EBK DELMAR'S STANDARD TEXTBOOK OF ELECT
6th Edition
ISBN: 9781305537125
Author: Herman
Publisher: YUZU
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Chapter 5, Problem 2RQ
What is the advantage of a metal film resistor over a carbon resistor?
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What are the nominal resistance and tolerance of a resistor with color bands in the order of violet-green--red-silver from an end of the resistor casing toward the middle?
A certain cooper wire has a resistance of 25 ohms at 10°C. Take the temperature coefficient at 10°C to be 0.00409/°C.
What must be the maximum operating temperature of the wire if its resistance is to increase by most 30%?
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Mention applications of a resistance strain gauge for measurement of non-electric quantities.
Chapter 5 Solutions
EBK DELMAR'S STANDARD TEXTBOOK OF ELECT
Ch. 5 - Name three types of fixed resistors.Ch. 5 - What is the advantage of a metal film resistor...Ch. 5 - What is the advantage of a wire-wound resistor?Ch. 5 - How should tubular wire-wound resistors be mounted...Ch. 5 - A 0.5-W, 2000- resistor has a current flow of 0.01...Ch. 5 - A 1-W, 350- resistor is connected to 24 V. Is this...Ch. 5 - A resistor has color bands of orange, blue,...Ch. 5 - A 10,000- resistor has a tolerance of 5%. What are...Ch. 5 - Is 51,000 a standard value for a 5% resistor?Ch. 5 - What is a potentiometer?
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- The resistance of a copper wire is (0.92 0) at a temperature of (4 oC). At what temperature will be resistance be (1.06 0)?arrow_forwardWhat are the nominal resistance and tolerance of a resistor with color bands in the order of violet-green--red-silver from an end of the resistor casing toward the middle? Note: DRAW THE DIAGRAMarrow_forwardTemperature dependence of resistivityarrow_forward
- What is a thick film resistor ? list some applications where it used and how it is used.arrow_forwardThe resistance of a copper wire is (0.92 N) at a temperature of (4 oC). At what temperature will be resistance be (1.06 Q)?arrow_forwardDiscuss the important of guard-wire method in a high resistance measurement.arrow_forward
- For the network shown in Figure B22 , assume E = 17V,Diode Di, D2 as Germanium R1=2KQ and R2=3K2. Calculate, i. Current I1, ii. Current ID2 ii. Voltage across resistor R2 R1 Di + E D2 I2 R, Figure B22arrow_forwardexplain briefly and consicely the importance of tolerance in resistorsarrow_forwarda sample copper wire has a resistance of 50 ohms at 10°C . what is the maximum operating temperature if the resistance of the wire is to increase by at most 10 percent? a at 10°C is 0.00409 per °Carrow_forward
- How can you use a DMM to measure different characteristics of electrical components and circuits? Why are these measurements important?arrow_forwardThe resistance of wire increases from 40 – ohm at 20 0C to 50 – ohm at 70 0C. Find the temperature coefficient of resistance at 0 0C.arrow_forwardSummarize on how testing is carried out on isolators and circuit breakers of high voltage system. High voltage engineeringarrow_forward
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