An induction motor having full load torque of $$60$$ $$Nm$$ when delta-connected develops a starting torque of $$120$$ $$N$$-$$m.$$ For the same simply voltage, if the motor is changed to star-connection, the starting torque developed will be

When the supply voltage to an induction motor is reduced by $$10\% $$, the maximum torque will decrease by approximately

In Figure. The characteristic that corresponds to the variation of synchronous reactance of synchronous motor with field current is

Keeping in view the requirement of parallel operation, which of the $$3$$-phase connections given below are possible?