An electric motor takes 5A from a 220V line. Determine the power of the motor and the energy consumed in 2h.

From the rate expression for the following reactions, determine their order of reaction and the dimensions of the rate constants. C_2H_5Cl(g) rarr C_2H_4(g) + HCl(g) Rate = k[C_3H_5Cl]

A hot plate of an electric oven connected to a 220V line has two resistance coils A and B, each of 24Omega resistance, which may be used separately, in series, or in parallel. What are the currents in the three case? Amount of current when the coils are used separately.

Draw the graph of the following equation and determine the vertices of the triangle formed by the lines with y-axis. 3x+y-5=0, 2x-y-5=0

A photo electric surface has work function 2eV. What is the maximum kinetic energy of the emitted photoelectrons ejected by light by wavelength 3000overset(@)A Given h=6.6xx10^(-34)J-S,e=1.6xx10^(-19)C . m_e=9g0^(-31)kg,C = 3xx10^8m//sec