A metal rod is 3 m long and 10 mm diameter. Compute its resistance if the resistivity  of the material is 1.76 × 10−8Ω. ?.

Q: A car battery has gone dead and it needs to be replaced with a large capacitor. The old car battery…

A: To solve above problem, one should know capacitors and capacitance offered by a capacitor. A…

Q: T/F: direct current is a consistent flow of electrical charge in only one direction

A: Direct Current  :- The current which flow consistently in only one direction is known as the as…

Q: Question 5 a) i. A piece of pencil lead is connected in series with an ammeter and a power supply.…

A: 1. The pencil lead is a mixture of clay and graphite (an allotrope of carbon) which is a good…

Q: Why would we want to use circuit theory and when can we use it? 3. What are the characteristics of…

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Q: 1. Two 3 µC charges are located at x = 0 meters, y = 2 meters and at x = 0 meters, y=-2 meters. Two…

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Q: What is the sign of charge Q3? Q4 (Q2) (Q3 Q1

A:

Q: The value of resistance in insulators is a. can not be determined b. zero c. large d. small

A: Insulator opposes current .

Q: The electric potential difference between the ground and cloud in a particular thunderstorm is…

A: Given as potential difference V And charge q Find potential energy U.

Q: A8-cm long wire carying a uniformly distributed 12µc charge is bent into a semicircle. What is the…

A: Given that, length of wire=8 cm,Q=12μC when it is bent into semicircle, for cemi-circle having…

Q: The interaction between two charges of opposite signs is repulsive OFalse OTrue

A: FALSE

Q: 3.2 What explains why insulators have different electrical properties from metals?   Band gap…

A: Given:  Brief description: From the above given question it is very clear that we need to know the…

Q: Ques 1(a). A copper wire has a resistance of 0.850 at 20°C. What will be its resistance at 40°C? The…

A: Given- Resistance R=0.85 Ωtemperature coefficient of resistance at 0oC=0.004oCTo Find-The resistance…

Q: Aluminum has a resistivity of 10.6×108 Om at 20°C. What will the resistivity of Aluminum when then…

A:

Q: Energy levels in an n-material compared to a p-type material

A: Energy levels in an n-material compared to a p-type material ?

Q: The amount of current the battery can produce for a period of 20 hours at 80 degrees Fahrenheit is…

A: An ampere-hour (abbreviated Ah, or sometimes amp hour) is the amount of energy charge in a battery…

Q: Current can not flow through an insulator because they have O a. free electrons O b. no free protons…

A: The electrons in the insulator's atoms are strongly bonded, it means they have no free electrons so…

Q: Oppositely charged parallel plates are separated by 5.60 mm. A potential difference of 600 V exists…

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Q: Two charges of - Q are 1 cm apart. If the distance between charges is increased, the magnitude of…

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Q: A cube of an alloy of resistivity is 2.12un-m is 3x10^-2 m on a side. Determine the resistance…

A: In this question we need to find a resistance between two faces of the cube.

Q: 9nm 8nm P 6nm 7nm D A B с 3.0x10 17C -5.0x10-17C 2.0x10-17℃ -4.0x10-17C What is the total work done…

A: Potential at a point due to a point charge V=kQr where k→contant Q→Charge  r→distance of point from…

Q: A length of tungsten filament wire has a resistance of 15009 at 20° C. What will be its resistance…

A: Given data, Resistance at  R20=1500 Ω Temperature at  t1=20 °C Temperature at  t2=280 °C Constant…

Q: Two charged particles apply an electric force of 5.2 x 10-3N on each other. Distance between them…

A: By Coulomb's law, Force between two charges = Q1×Q24×π×∈×R2 Where R is the distance between the two…

Q: The electric force between two point charges with a magnitude of 500nC and 700nC is 15 N. How far…

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Q: During a lightning discharge, charges amounting to +30C move through a potential difference of 1.0 x…

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Types of Charge Carriers

A carrier is a type of object which carries a particular thing from one point to another point. For instance, people use different vehicles from one place to another, and the vehicle carries those people and acts as a carrier.