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Linear Circuits I

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Problem 12 of 14

Bridge With a Dependent Current Source

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A voltage-controlled current source forms the bridge. Its current is 0.6 vx0.6\,v_x milliamperes, where vxv_x is the voltage across R3R_3 in volts. Find vBv_B (relative to the bottom wire), in volts.

Vs​17 VR1​6.8 kΩR3​8 kΩ+−vx​R2​6.8 kΩR4​6 kΩ0.6 vx (mA)AB
V

Answers within 2% are accepted. Units with SI prefixes work too, like 0.003 A or 3 mA. Use a minus sign for negative values.

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