Current Electri...

A lamp is marked 60 W, 220 V. If it operates at 200 V, the rate of consumption of energy will _____

Equivalent resistance of the above combination will be:

Find the effective resistance, when $$1\Omega$$,  $$10\Omega$$ and  $$4\Omega$$ resistances are connected in series.

Wire of a certain material is stretched slowly be dep10. Its new resistance and specific resistance becomes respectively.

Two wires of resistances 10 $$\Omega$$ and 5 $$\Omega$$ are connected in series.  The effective resistances is _______ $$\Omega$$

A source of electromotive force (emf) is a:

Find the effective resistance when $$\displaystyle 1\Omega ,2\Omega $$ and $$\displaystyle 3\Omega $$ resistances are connected in series

A wire of radius r has resistance R. If it is stretched to a radius $$\displaystyle\frac{r}{2}$$, its resistance will be

The current in the given circuit is

A cell of emf $$5$$ V can supply a total energy of $$9000$$ J, then the total charge that can be obtained from the cell would be _____ C