A specimen is tested for insulation resistance by the loss of charge method by discharging a capacitor C=17 nF through it. The specimen capacitance is 3.4 nF. It is observed that after charging the voltage falls from 260 V to 170 V in one minute. If the voltmeter used has a resistance of 10 G2, and if the voltmeter was connected for only the last 10 seconds of the minute, answer the following: Determine the insulator resistance. Oa. 9.83 GO Ob. 7.83 GO Oc. 8.83 GO Od. 6.83 GO If only conduction losses occur, find the operating frequency to obtain a complex relative permittivity of e*=4.1-J0.0002 Oa. 120.63 Hz Ob. 124.63 Hz Oc. 122.63 Hz Od. 118.63 Hz الهندسة الكهربائية EE Committee

Introductory Circuit Analysis (13th Edition)
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A specimen is tested for insulation resistance by the loss of charge method by
discharging a capacitor C=17 nF through it. The specimen capacitance is 3.4 nF. It is
observed that after charging the voltage falls from 260 V to 170 V in one minute. If the
voltmeter used has a resistance of 10 G2, and if the voltmeter was connected for only
the last 10 seconds of the minute, answer the following:
Determine the insulator resistance.
Oa. 9.83 GO
Ob. 7.83 Gn
Oc. 8.83 GO
Od. 6.83 GN
If only conduction losses occur, find the operating frequency to obtain a complex
relative permittivity of e*-4.1-J0.0002
Oa. 120.63 Hz
Ob. 124.63 Hz
Oc. 122.63 Hz
Od. 118.63 Hz
EE Committee
حلة الهندسة الكهربائية
Transcribed Image Text:A specimen is tested for insulation resistance by the loss of charge method by discharging a capacitor C=17 nF through it. The specimen capacitance is 3.4 nF. It is observed that after charging the voltage falls from 260 V to 170 V in one minute. If the voltmeter used has a resistance of 10 G2, and if the voltmeter was connected for only the last 10 seconds of the minute, answer the following: Determine the insulator resistance. Oa. 9.83 GO Ob. 7.83 Gn Oc. 8.83 GO Od. 6.83 GN If only conduction losses occur, find the operating frequency to obtain a complex relative permittivity of e*-4.1-J0.0002 Oa. 120.63 Hz Ob. 124.63 Hz Oc. 122.63 Hz Od. 118.63 Hz EE Committee حلة الهندسة الكهربائية
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