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Consider the circuit shown in the figure. Both the circuits are taking same current from battery but current through R in the second circuit is (1)/(10) th of current through R in the first circuit. If R is 11 Omega , the value of R_(1)

A high tension wire is at a high potential with respect to a wire which is well grounded called Earth wire. You must have seen such wires stretched parallel to roads. There is a high tension wire between two points A and B. 1 km apart. The distance between HT wire and earth wire is 1 m. The resisatnce of the HT (and also the earth wire) is 1 Omega//m . This wire is at a potential of 11 KV at point A w.r.t. to earth wire. and its is carrying 1 A current which returns back to the generator by through the earth wire. This wire is quite a thick wire. There is a sign board at a pole over which this wire is stretched reading DANGER, 11 KV. You might thick what would happen if one touched this wire. Will one feel a shock or not. Well ! it depends on whether the current through our body exceeds a particular valuem which we may call CRITICAL CURRENT. If the Critical Current for the bird is 0.1 A, find the maximum power at 11 KV can be transmitted at point A so that the bird may not get shocl. Assume that the distance between the feet is 10 cm.

A high tension wire is at a high potential with respect to a wire which is well grounded called Earth wire. You must have seen such wires stretched parallel to roads. There is a high tension wire between two points A and B. 1 km apart. The distance between HT wire and earth wire is 1 m. The resisatnce of the HT (and also the earth wire) is 1 Omega//m . This wire is at a potential of 11 KV at point A w.r.t. to earth wire. and its is carrying 1 A current which returns back to the generator by through the earth wire. This wire is quite a thick wire. There is a sign board at a pole over which this wire is stretched reading DANGER, 11 KV. You might thick what would happen if one touched this wire. Will one feel a shock or not. Well ! it depends on whether the current through our body exceeds a particular valuem which we may call CRITICAL CURRENT. If the potential difference between H.T and earth wire is 11 kV at point A, find p.d between these wires at point B

When a resistor of 11 Omega is connected in series with an electric cell, the current following in it is 0.5 A . Instead, when a resistor of 5 Omega is connected to the same electric cell in series, the current increases by 0.4 A The internal resistance of the cell is

In a series L-R circuit (L=35 mH and R=11 Omega) , a variable emf source (V=V_(0) sin omega t) of V_(rms)=220V and frequency 50 Hz is applied. Find the current amplitude in the circuit and phase of current with respect to voltage. Draw current-time graph on given graph (pi=22/7) .