Electrical Machines
Which is the arrangement of windings in a core type single phase transformer?

 Half lv inside and half hv outside on each core limb
 Lv on one core limb and hv on the other
 Sandwiched lv and hv discs on each core limb
 Half hv inside and half lv outside on each core limb

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Electrical Machines
In a synchronous generator with constant steam input supplies power to an infinite bus at a lagging power factor. If the excitation is increased

 power angle increase and power factor decrease
 both power angle and power factor increase
 both power angle and power factor decrease
 power angle decrease and power factor increase

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