In the diagram above, a 200 W bulb is lighted by a 240 V a.c mains supply. If 1kwh is sold at ₦40, the cost of keeping the bulb lighted for a day is

In Faradays law of electrolysis, a graph of the mass deposited against the quantity of electricity is plotted. The slope of the graph gives

Two metals P and Q are heated through the same temperature difference. If the ratio of the linear expansivities of P to Q is 2:3 and the ratio of their Lengt...

Three capacitors of capacitance 2μF, 4μFand 8μF are connected in parallel and a P.D of 6V is maintained across each capacitor, the total energy stored is

In the diagram above, if the south-poles of two magnets strokes steel bar, the polarities at T and V will respectively be

The radioisotope 23592U 92 235 U decays by emitting two alpha particles, three beta particles and a gamma ray. What is the mass and atomic number of the resu...

A cell of e.m.f 12V and internal resistance 4Ω is connected to an external resistor of resistance 2Ω. Find the current flow.

The diagram above shows a balanced metre bridge, the value of x is

An object is weighted at different locations on the earth. What will be the right observation?