Q12-Indicate whether the following statements are true or false and correct the false statements. 1- A short circuit test of single phase transformer is done to determine the parameters of shunt branch of the equivalent circuit. 2- The characteristic (angular speed versus T) of a dc shunt motor is known as the External characteristics. 3- When a series d.c. motor is operate without load, the armature will not run

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Q12-Indicate whether the following statements are true or false and correct the
false statements.
1- A short circuit test of single phase transformer is done to determine the parameters
of shunt branch of the equivalent circuit.
2- The characteristic (angular speed versus T) of a dc shunt motor is known as the
External characteristics.
3- When a series d.c. motor is operate without load, the armature will not run
4- The generation of electricity achieved by moving a conductor in a magnetic
field due to the relation E= ILB
5- In series d-c generator the field winding will be constructed from high number of turns
and high cross- sectional area of wire.
6- Series motor maintains a more constant speed under varying load
7-The armature voltage of d.c series generator is not affected by load current.
8- In series d-c generator the field winding will be constructed from high number of turns
and high cross- sectional area of wire.
9- If field resistance of a d.c. shunt generator is increased beyond its critical value, the
generator output voltage will exceed its rated voltage
10-The inter pole winding is connected in parallel to field winding
Transcribed Image Text:Q12-Indicate whether the following statements are true or false and correct the false statements. 1- A short circuit test of single phase transformer is done to determine the parameters of shunt branch of the equivalent circuit. 2- The characteristic (angular speed versus T) of a dc shunt motor is known as the External characteristics. 3- When a series d.c. motor is operate without load, the armature will not run 4- The generation of electricity achieved by moving a conductor in a magnetic field due to the relation E= ILB 5- In series d-c generator the field winding will be constructed from high number of turns and high cross- sectional area of wire. 6- Series motor maintains a more constant speed under varying load 7-The armature voltage of d.c series generator is not affected by load current. 8- In series d-c generator the field winding will be constructed from high number of turns and high cross- sectional area of wire. 9- If field resistance of a d.c. shunt generator is increased beyond its critical value, the generator output voltage will exceed its rated voltage 10-The inter pole winding is connected in parallel to field winding
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