B6 An ideal ammeter should have A)Zero resistance B)Infinite resistance.

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B6 An ideal ammeter should have A) Zero resistance B) Infinite resistance

Transcript of B6 An ideal ammeter should have A)Zero resistance B)Infinite resistance.

Page 1: B6 An ideal ammeter should have A)Zero resistance B)Infinite resistance.

B6

An ideal ammeter should have

A) Zero resistanceB) Infinite resistance

Page 2: B6 An ideal ammeter should have A)Zero resistance B)Infinite resistance.

B4

Is it possible to measure the current generated by the power supply using the scope?

A) No, it only measures voltage

B) Yes, just turn the knob on the scope from “V” to “I”

C) Yes, put a resistor in the circuit and measure the voltage across it.

Page 3: B6 An ideal ammeter should have A)Zero resistance B)Infinite resistance.

B8

An ideal voltmeter should have

A) Zero resistanceB) Infinite resistance

Page 4: B6 An ideal ammeter should have A)Zero resistance B)Infinite resistance.

B3

What is Zeq?

1R

j L

A) B) C)

D) E)

1 1

R j L

11 1

R j L

R j L

11

Rj L

R L

Page 5: B6 An ideal ammeter should have A)Zero resistance B)Infinite resistance.

B2

What is Vout/Vin?

1

1 2

R

R R2

1 2

R

R R

1

2

R

R2

1

R

R

1 2

2

R R

R

A) B) C)

D) E)

VinVoutR2

R1

Page 6: B6 An ideal ammeter should have A)Zero resistance B)Infinite resistance.

C1

What is VTh?

A) VB) V R2/(R1+R2)C) V R1/(R1+R2)D) V(R1+R2)E) 0

V

R1

R2

Page 7: B6 An ideal ammeter should have A)Zero resistance B)Infinite resistance.

C3

What is RTh?

A) R1

B) R2

C) R1+R2

D) R1 R2/(R1+R2)E) R2/(R1+R2)

V

R1

R2

Page 8: B6 An ideal ammeter should have A)Zero resistance B)Infinite resistance.

C0

What is Vout?

A) VB) V R/(R+jωL)C) V jωL/(R+jωL)D) V (R+jωL)E) 0

Page 9: B6 An ideal ammeter should have A)Zero resistance B)Infinite resistance.

C2

What is ZTh?

A) 0B) (R/jωL)/(R+jωL)C) RD) 1/jωLE) jωLR/(R+jωL)

V

R

L

Page 10: B6 An ideal ammeter should have A)Zero resistance B)Infinite resistance.

C5

A) 0 VB) 2.5 VC) 3.3 VD) 5 VE) 7.5 V

10V

1MW

1 MW

The input impedance of most scopes is 1 MW. What voltage does the scope measure across the lower 1 MW resistor?