Examlex
A device that produces electricity by transforming chemical energy into electrical energy is called a
First Theorem of Welfare Economics
A principle stating that under certain conditions, a market in equilibrium will allocate resources efficiently in a way that maximizes total social welfare.
Competitive Equilibrium
A market state where supply equals demand, leaving no incentive for price changes as long as external conditions remain constant.
Homothetic Preferences
Preferences where if a consumer prefers a bundle of goods A to B, they will also prefer a scaled-up version of A to the same scale-up of B, maintaining the same proportions.
Marginal Rate of Substitution
How quickly a consumer agrees to trade one good for another, aiming to keep their level of pleasure steady.
Q6: Two long parallel wires are placed side-by-side
Q22: A parallel-plate capacitor is filled with a
Q34: Consider two copper wires. One has twice
Q37: A refrigerator has a coefficient of performance
Q37: 200 J of work is done in
Q40: A piece of plastic has a net
Q49: When a 60-Hz voltage is applied to
Q62: The direction of an electric field is
Q64: Starting from zero, the electric current takes
Q89: A conducting bar rests on two parallel