Batteries

In a telegraph______is connected to positive terminal of a battery and the negative terminal of the battery is connected to__________

Assertion : Potential difference across the terminals of a battery is always less than the emf of the battery. Reason : During discharging of a battery potential differnce across to terminals of a battery is V = E -ir therefore V lt E

Statement I: Internal resistance of a battery is drawn parallel to a battery in electical circuit. Statement II: Heat generated in a battery is due to internal resistance.

In figure the current supplied by the battery is -

As lead storage battery is charged

What is Battery ? Give one example each of primary battery and secondary battery.

Dielectric||Capacitance with Dielectric||Dielectric with Battery and Without Battery