1. When the wires are connected in parallel, the heat produced in the thinner wire is H₁ and that in the thicker wire is H₂ Then:

2. Two equal resistors are connected in series across a battery and consume a power of P. If these are connected in parallel, then the' power consumed will be:

3. Thermo electricity was discovered by:

4. Thermo emf is the order of:

5. In the following figure represents a balanced Wheatstone bridge circuit. What is the value of X?

6. 38. The charge flowing in a conductor varies with time as :
q = αt \(\frac{1}{2}\) βt² + \(\frac{1}{6}\) γt³
Where α, β, γ are positive constants. Then the initial current (l) is given by the condition :

7. In following figure shows currents in a part of electrical circuit, then the value of/(in ampere) is given by :