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You find an NiMH battery has a Thevenin equivalent model of 1.5 V and 0. a) Draw the equivalent circuit that represents the battery.

You find an NiMH battery has a Thevenin equivalent model of 1.5 V and 0.1 Ω.

a) Draw the equivalent circuit that represents the battery.

b) You use this battery to power a motor that has an equivalent resistance of 4 Ω.

(i) what will be the load current ?

(ii) How much power is delivered to the motor ?

c) You find a second battery with a Thevenin equivalent model of 1.5 V and 0.3 Ω and are curious about what happens when you use both batteries.

Since the motor is rated at 1.0 - 2.5 V, you place the two batteries in parallel to drive the motor.

(i) What is the new load current ?

(ii) Does it increase or decrease ?

(iii) Will the power dissipated by the load increase or decrease ?

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