Consider a single phase synchronous machine of cylindrical rotor type. A single phase supply is given to the stator winding, and a voltmeter is connected across rotor winding. For what value of ‚âà√≠‚Äö√†√®r the voltmeter reads a zero?$

Consider a single phase synchronous machine of cylindrical rotor type.

1.	Consider a single phase synchronous machine of cylindrical rotor type. A single phase supply is given to the stator winding, and a voltmeter is connected across rotor winding. For what value of ‚âà√≠‚Äö√†√®_r the voltmeter reads a zero?$
A.	0¬¨¬®‚Äö√†√ª
B.	30¬¨¬®‚Äö√†√ª
C.	45¬¨¬®‚Äö√†√ª
D.	90¬¨¬®‚Äö√†√ª
Answer» E.

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Consider a single phase synchronous machine of cylindrical rotor type. A single phase supply is given to the stator winding, and a voltmeter is connected across rotor winding. For what value of ‚âà√≠‚Äö√†√®r the voltmeter reads a zero?$

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Consider a single phase synchronous machine of cylindrical rotor type. A single phase supply is given to the stator winding, and a voltmeter is connected across rotor winding. For what value of ‚âà√≠‚Äö√†√®_r the voltmeter reads a zero?$