5 Tricks to Save your Smartphone Battery

A nonideal battery is connected to a resistor. Is work done by thr battery equal to the hermal energy developed in the resistor?Does your answer change If the battery is ideal?

Desktop Computers, Laptop Computers, tablets and smartphones are different types of______

JEE MAINS Short Tricks | Shortcut To Solve Integration | Maths Time Saving Tricks |JEE Mains 2020

Short Trick For Solving Determinants & Differentiation Questions | JEE MAINS 2020-Time Saving Tricks

Read the following statements. I. Battery-less phones can convert radio signals into power. II. The semiconductor device rectenna can be used to provide battery-less power only for smartphones. III. Wi-fi signals captured by an integrated antenna are converted into a DC current suitable for electronic circuits. Choose the correct option.