Question: Four resistors are arranged in a circuit, as shown. There is a constant voltage Vacross the voltage source. The current / is 0.25 ampere.

Four resistors are arranged in a circuit, as shown. There is a constant voltage V across the voltage source. 

Four resistors are arranged in a circuit, as shown. There is a constant voltage Vacross the voltage source. The current / is 0.25 ampere. (a) Find the equivalent resistance of the four resistors. (b) Find the voltage Vacross the voltage source. (c) Find the voltage across resistor R. (d) Find the power dissipated by resistor R. V I R, = 160 Piz = 60 R = 120 Hi R = 400

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