1.5 An electric heater is operated by applying potential difference of 60 V across a Nichrome wire of total resistance 9- N. What is the power rating of the heater? 1.6 A 20- W bulb and 50- W bulb are connected in series in a circuit. a. Which bulb hs more current flowing in it? b. If the bulbs are connected in parallel, which one will have a greater current flowing in it. 1.7 How many 3- Q Resistors must be connected in parallel to have a total resistance of 6 - 0 ?
1.5 An electric heater is operated by applying potential difference of 60 V across a Nichrome wire of total resistance 9- N. What is the power rating of the heater? 1.6 A 20- W bulb and 50- W bulb are connected in series in a circuit. a. Which bulb hs more current flowing in it? b. If the bulbs are connected in parallel, which one will have a greater current flowing in it. 1.7 How many 3- Q Resistors must be connected in parallel to have a total resistance of 6 - 0 ?
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter28: Direct-current Circuits
Section: Chapter Questions
Problem 28.72AP: Three identical 60.0-W, 120-V lightbulbs are connected across a 120-V power source as shown in...
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![1.5 An electric heater is operated by applying
potential difference of 60 V across a Nichrome wire
of total resistance 9- Q. What is the power rating of
the heater?
1.6 A 20- W bulb and 50- W bulb are connected in
series in a circuit.
a. Which bulb hs more current flowing in it?
b. If the bulbs are connected in parallel, which one
will have a greater current flowing in it.
1.7 How many 3- N Resistors must be connected in
parallel to have a total resistance of 6 - 0 ?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0a788d76-54cb-4fcf-a4ea-10d9789374d3%2Fc09ac18e-c872-43e2-842a-f0ce559c97e5%2F41ipabi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1.5 An electric heater is operated by applying
potential difference of 60 V across a Nichrome wire
of total resistance 9- Q. What is the power rating of
the heater?
1.6 A 20- W bulb and 50- W bulb are connected in
series in a circuit.
a. Which bulb hs more current flowing in it?
b. If the bulbs are connected in parallel, which one
will have a greater current flowing in it.
1.7 How many 3- N Resistors must be connected in
parallel to have a total resistance of 6 - 0 ?
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