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Choose the Correct Formula to Solve the Problem OP=V12+V22+2(V1)(V2)cosθO P = V _ { 1 } ^ { 2 } + V _ { 2 } ^ { 2 } + 2 \left( V _ { 1 } \right) \left( V _ { 2 } \right) \cos \theta

Question 11

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Choose the correct formula to solve the problem. OP=V12+V22+2(V1)(V2)cosθO P = V _ { 1 } ^ { 2 } + V _ { 2 } ^ { 2 } + 2 \left( V _ { 1 } \right) \left( V _ { 2 } \right) \cos \theta I=E/RI = E / R E=IRE = I R R=E/IR = E / I P=I2RP = I ^ { 2 } R I=P/EI = P / E E=P/IE = P / I R=E2/pR = E ^ { 2 } / p P=E2/RP = E ^ { 2 } / R I=P/RI = \sqrt { P / R } E=PRE = \sqrt { P R } R=P/II2R = P / I _ { I ^ { 2 } } How many watts will a motor use if the voltage is 240 volts and the motor is drawing 40 amps of current?

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