In the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length of 102/cm. The rod moves to the left at v= 3.5 m/s. If B = 0.4 T everywhere in the region, what is the current in the circuit (a) when a = 9.5 cm? (b) when a = 4.5 cm? B Hint ● Question Help: Message instructor Submit Question ● ● a a. When a = 9.5 cm, a Select an answer current of circuit. b. When a = 4.5 cm, ● mA flows in the circuit. 4.0 cm mA flows in the

In the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length of 102/cm. The rod moves to the left at v= 3.5 m/s. If B = 0.4 T everywhere in the region, what is the current in the circuit (a) when a = 9.5 cm? (b) when a = 4.5 cm? B Hint ● Question Help: Message instructor Submit Question ● ● a a. When a = 9.5 cm, a Select an answer current of circuit. b. When a = 4.5 cm, ● mA flows in the circuit. 4.0 cm mA flows in the