Please box answers. In the figure below, a steel bar sitting on two parallel metal rails, connected to each other by a resistor, is pulled to the right with a constantforce of magnitude Fconstant speed of 2.15 m/s, the distance between the rails is e, and a uniform magnetic field B is directed into the page.= 1.45 N. The friction between the bar and rails is negligible. The resistance R = 8.00 N, the bar is moving at aаppR(a) What is the current through the resistor (in A)?|A(b) If the magnitude of the magnetic field is 2.50 T, what is the length e (in m)?(c) What is the rate at which energy is delivered to the resistor (in W)?w(d) What is the mechanical power delivered by the applied constant force (in W)?What If? Suppose the magnetic field has an initial value of 2.50 T at time t = 0 and increases at a constant rate of 0.500 T/s. The barstarts at an initial position x, = 0.100 m to the right of the resistor at t = 0, and again moves at a constant speed of 2.15 m/s. Derive time-varying expressions for the following quantities.(e) the current through the 8.00 0 resistor R (Use the following as necessary: t. Assume I(t) is in A and t is in s. Do not include units inyour answer.)I(t) =A(f) the magnitude of the applied force Fpn required to keep the bar moving at a constant speed (Use the following as necessary: t.Assume Fn(t) is in N and t is in s. Do not include units in your answer.)appapp(t)appN

Answered: Image /qna-images/answer/839ffac9-d9ea-4488-ac0f-9327566446d5.jpg

In the figure below, a steel bar sitting on two parallel metal rails, connected to each other by a resistor, is pulled to the right with a constant force of magnitude Fnn = 1.45 N. The friction between the bar and rails is negligible. The resistance R = 8.00 n, the bar is moving at a constant speed of 2.15 m/s, the distance between the rails is e, and a uniform magnetic field B is directed into the page. app F. app (a) What is the current through the resistor (in A)? A (b) If the magnitude of the magnetic field is 2.50 T, what is the length e (in m)? m (c) What is the rate at which energy is delivered to the resistor (in W)? w (d) What is the mechanical power delivered by the applied constant force (in W)?