## Why isn''t copper used as a heating element?, Physics

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It makes sense that copper should be used because it could heat up faster, making the event more efficient.

#### What is the lever ima, A man exerts a force of 310 N on a lever to raise a ...

A man exerts a force of 310 N on a lever to raise a crate with a mass of 910 kg. If the efficiency of the lever is 78 percent, what is the lever's IMA?

#### Torque, what is the unit of torque

what is the unit of torque

#### The area of a plate assuming a two-plate construction, A capacitor is to be...

A capacitor is to be constructed so that its capacitance is 0.2µF and to take a p.d. of 1.25kV across its terminals. The dielectric is to be mica which, after allowing a safet

#### Force constant of a spring, Does the force constant of a spring changes if ...

Does the force constant of a spring changes if it is cut into parts? Ans) Force constant does not change because it is a constant

#### Explain the formula of the stefan law, Explain the formula of the Stefan la...

Explain the formula of the Stefan law. STEFAN'S LAW: P = σ AT 4 Here: P = Power radiated into W (J/s) σ = Stefan's Constant 5.67 x 10 -8 W m -2 K -4 A = Su

#### State fraunhoffer''s lines, The central part (photosphere) of the sun is ve...

The central part (photosphere) of the sun is very hot and  all possible wavelengths of the visible light. Though, the outer part (chromospheres) having of vapours of dissimilar com

#### Explain conservation of angular momentum, Explain Conservation of Angular M...

Explain Conservation of Angular Momentum When a body rotates (spins like a top) or revolves (moves in a circle around a central point), all of the rules that we have used to ca

#### What is the characteristic of electric field graph, Regard as a Cartesian c...

Regard as a Cartesian coordinate system on which the electric potential due to an unspecified distribution of charge is a function of x only. A graph is made of V(x) vs x. The elec

#### Using which law induced electric currents can be explained, Induced electri...

Induced electric currents can be explained using which of the following laws? a) Gauss's Law b) Faraday's Law c) Ohm's Law d) Ampere's Law Ans: Induced e

#### Factors on which magnetic force depends, Factors on which Magnetic Force De...

Factors on which Magnetic Force Depends: The magnetic force depends on following factors: 1. Nature of Pole: Like poles repel each other and unlike pole attract each other.  