The Circuit Shown Below, Let Find the Thévenin Equivalent Voltage $\mathrm { V } _ { \text {th } }$

question 11

Essay

the circuit shown below, let $$\mathrm { I } _ { \mathrm { s } } = 1 \mathrm {~mA} , \mathrm { R } _ { 1 } = 12 \mathrm { k } \Omega , \mathrm { R } _ { 2 } = 20 \mathrm { k } \Omega , \mathrm { R } _ { 3 } = 5 \mathrm { k } \Omega \text {. }$$
Find the Thévenin equivalent voltage $\mathrm { V } _ { \text {th } }$ and the Thévenin equivalent resistance Rth between terminals $a$ and $b$ .

Understand how to calculate variable overhead rate variances.

Interpret the relationship between actual and standard variable overhead costs.

Understand how to calculate materials price and quantity variances.

Understand and calculate the total variable overhead spending variance.

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