Answered: An electric iron of resistance 14 ohms…

Science

Physics

An electric iron of resistance 14 ohms takes a current of A .find the heat developed in 20 seconds.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 49P: A copper wire has a resistance of 0.500 at 20.0°C and an iron wire has a resistance of 0.525 at the...

See similar textbooks

Related questions

Q: power is dissipiated by a light bulb through 3 A flows when 10.0 V is applied to it. what current…

A: The power dissipated by the light bulb can be calculated using P = IV where P is power, I is…

Q: Calculate the current (in amps) of a silver wire transfers a charge 420 C in 59 minutes.

A: The current is defined as flow of charge per unit time.

Q: An electric heater of resistance 8 Ω draws 15 A from the service mains 2hours. Calculate the rate at…

Q: A lightning stroke lasts 0.01 s and involves a flow of 306 C. What is the current

Q: 2. Find the potential difference (Emf) in a certain electric circuit with current flowing at 18…

Q: What is the resistivity (in x 10^-8 ohm -meter) of a material with diameter of 0.70 mm and with…

A: Resistivity is the resistance of an object per unit length and per unit cross sectional area at a…

Q: The initial resistance of wire The increase in resistance from 25 to 200 C

A: Resistance of wire at room temperature is given as: R=ρlA where ρis the resistivity, l is the length…

Q: A heating element in a stove is designed to receive 2,030 W when connected to 240 V. (a) Assuming…

Q: Thee resistors when combined in series have an equivalent resistance of 31 ohm and when connected in…

Q: Determine the length (in mm) of a gold conductor that has a resistance of 0.014 Ω and a…

Q: Most of the wiring in a typical house can safely handle 15A of current. At this current level, how…

A: Given that the value of current and time. Then We have determine the charge flow through a wire in…

Q: th a diameter of 1.3 cm, calculate its resistance. Determine the voltage drop over the brass wire…

A: Length of Brass wire, Diameter of Brass wire,…

Q: do not give copied answer

Q: Calculate the energy cost of an electroplating process running at 0.53 V and 27.1 A for 3532 s…

Q: The resistance of a bulb has a current of 250 mA when connected to a 3.0 V battery. (a) Using Ohm's…

Q: What is the heat produced in a conductor in 4.3 minutes if there is a current of 1.8 A and a…

Question

An electric iron of resistance
14 ohms takes a current of A .find
the heat developed in 20 seconds.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

The quantity of charge through a conductor is modeledas Q=4.00Cs4t41.00Cst+6.00mc .What is the current at time t = 3.00 s?
An electric heater has a coiled metal wire which draws a current of 100 A. The resistance of the wire is 3.1 ohms. Calculate the voltage that must be established to it.
What voltage would produce a current of 100amps through an aluminum wire which has a resistance of 3.44 x 10-4 ohms?
A miliammeter has a resistance of 10N and has a range of 0.25 mA. How will you convert it into a voltmeter to read voltage upto 25 volt ?
What is the resistance (in Ohms) of a wire made of a material with a resistivity of 3.3x 10-82. m if its length is 4 m and its diameter is 0.64 mm?
do not give copied answer
A rechargeable nickel-metal hydride AAbattery has a charge capacity of 9000 C. Howlong can it provide a current of 0.500 A?
Most of the wiring in a typical house can safely handle 15A of current. Atthis current level, how much charge flows through a wire in one hour?
an electromotive force of a cell is 3.85 V anf is connected to a load of 4.25 Ω, the voltage drops to 2.0 V. Find the current and internal resistance of the cell.
A piece of resistance wire, 15.6 m long and of cross-sectional area 12 mm², passes a current of 7.9 A when connected to de supply at 240 V. Calculate the resistivity of the wire?
What should be the cross sectional area of a 443-m long copper wire to have resistance values of 62 ohms? Express in mm? Use Pc = 1.68 x 10-8 0-m
A tungsten filament has a resistance of 1998 ? at 20°C. What will its resistance be at 263°C? 5.19 A chromel–alumel thermocouple is placed in a 1773°F furnace. Its reference is 67°F. What is the output voltage from the thermocouple?