It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor?

Measurement and Instrumentation
It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor?

150W

100W

50W

200W

150W

100W

50W

200W

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Measurement and Instrumentation
When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is

None of these

All right

Short-circuited

Faulty

None of these

All right

Short-circuited

Faulty

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Measurement and Instrumentation
A 10MHz CRO has

10MHz horizontal oscillator

5MHz sweep

10MHz supply frequency

10MHz vertical oscillator

10MHz horizontal oscillator

5MHz sweep

10MHz supply frequency

10MHz vertical oscillator

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Measurement and Instrumentation
Which of the following instruments can be used to measure AC current only?

Permanent Magnet Type ammeter

Moving iron ammeter

Induction type ammeter

Moving iron voltmeter

Permanent Magnet Type ammeter

Moving iron ammeter

Induction type ammeter

Moving iron voltmeter

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Measurement and Instrumentation
A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be

4.54 V.

4.38 V.

3.53 V.

5 V.

4.54 V.

4.38 V.

3.53 V.

5 V.

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Measurement and Instrumentation
In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of

Stray magnetic fields.

Stray thermal emfs.

Errorneous standardisation.

Ripples of the DC supply.

Stray magnetic fields.

Stray thermal emfs.

Errorneous standardisation.

Ripples of the DC supply.

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Measurement and Instrumentation

Measurement and Instrumentation When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is

Measurement and Instrumentation A 10MHz CRO has

Measurement and Instrumentation Which of the following instruments can be used to measure AC current only?

Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be

Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of

Measurement and Instrumentation
When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is

Measurement and Instrumentation
A 10MHz CRO has

Measurement and Instrumentation
Which of the following instruments can be used to measure AC current only?

Measurement and Instrumentation
A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be

Measurement and Instrumentation
In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of