Examlex
The positive terminals of two batteries with emf's of ε1 and ε2, respectively, are connected together. Here ε1 > ε2. The circuit is completed by connecting the negative terminals. If each battery has an internal resistance of r, the rate in watts at which electrical energy is converted to chemical energy in the smaller battery is:
Q3: A copper hoop is held in a
Q8: The diagram shows three equally spaced wires
Q11: Magnetic dipole X is fixed and dipole
Q13: A battery of emf 24 V
Q18: The normal to a certain 1-m<sup>2</sup>
Q28: A current of 0.3 A is passed
Q46: The figure shows the motion of electrons
Q56: During a slow adiabatic expansion of a
Q71: A 5.0-ft woman wishes to see a
Q84: A square loop of wire lies in