The number of current paths equals the number of resistors in parallel.

There is a total of 800 mA of current into four parallel resistors. The currents through three of the resistors are 40 mA, 70 mA, and 200 mA. The current through the fourth resistor is

A

490 mA

B

800 mA

C

310 mA

D

0 A

When an electric current coil of a wattmeter is connected to the electric current path R and the voltage coil is connected between the electric current R path and the neutral side of the balanced three phase supply, it shows 10 kW. The line voltage along the phase sequence RYB is 400 V. The current drawn by the current path is 54 A. What is the new reading of the wattmeter if the voltage coil is connected between the lines B and the Y paths, even if the electric current coil is continuously present in the line R?

A

13 kW

B

0

C

-13 kW

D

20 kW

If n resistors of unequal resistances are connected in parallel,and the percenrage error in all resistors are k then,total error in parallel combination is?

A

$x \frac{∂z}{∂x}+y \frac{∂z}{∂y}=\frac{x^2+y^2}{x+y} e^{\frac{x^2+y^2}{x+y}}$

B

$x \frac{∂z}{∂x}+y \frac{∂z}{∂y}=1-\frac{x^2+y^2}{x+y} e^{\frac{x^2+y^2}{x+y}}$

C

$x \frac{∂z}{∂x}+y \frac{∂z}{∂y}=1+\frac{x^2+y^2}{x+y} e^{\frac{x^2+y^2}{x+y}}$

D

$x \frac{∂z}{∂x}+y \frac{∂z}{∂y}=-\frac{x^2+y^2}{x+y} e^{\frac{x^2+y^2}{x+y}}$

Three 10 kΩ resistors are connected in series. A 20 kΩ resistor is connected in parallel across one of the 10 kΩ resistors. The voltage source is 24 V. The total current in the circuit is

A

900 μA

B

9 mA

C

90 mA

D

800 μA

If nominal GDP equals $5,000 and real GDP equals $4,000, then the GDP Deflator equals

A

125

B

1.25

C

800

D

.8

If nominal GDP equals $6,000 and the GDP deflator equals 200, then real GDP equals

A

$30

B

$3,000

C

$12,000

D

$1,200

The total resistance for two resistors in parallel is equal to the sum of the two resistors.

A

True

B

False

Two 3.3 kΩ resistors are in series and this series combination is in parallel with a 4.7 kΩ resistor. The voltage across one of the 3.3 kΩ resistors is 12 V. The voltage across the 4.7 kΩ resistor is

A

24 V

B

12 V

C

0 V

D

6 V

A certain circuit is composed of two parallel resistors. The total resistance is 1,403 Ω. One of the resistors is 2 kΩ. The other resistor value is

A

1,403 Ω

B

4.7 kΩ

C

2 kΩ

D

3,403 Ω

Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total resistance

A

Is less than 6 kΩ

B

Is greater than 1.2 kΩ

C

Is less than 1.2 kΩ

D

Is less than 600 Ω

The number of current paths equals the number of resistors in parallel.

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