(Solved) : 5 Figure 4 Shows Application Bridge Control Motor Light Beam Direct Photocell 10k Resista Q32988023 . . . .

5. Figure 4 shows an application of bridge to control the motor.When there is no light beam direct
to the photocell is 10kΩ. The resistance of the photocell, R willincrease from 10kΩ to 40kΩ if
it is interrupted by a light bean. The motor will be ON when thecurrent through amplifier, Iin is
higher than 50μA.
What is the current Iin and what happen to the motor when
a) there is no light beam direct to the photocell
b) the photocell is interrupted

E-3 V Light beam To motor control Amplifier Show transcribed image text

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