HANDWRITTEN NOTES

Tuesday, June 8, 2021

Why DC series Motors are used in in cranes and hoists


 

two DC series motor are connected in series to produce torque t now if the Motors are connected in parallel then the the torque produce will be

 


two DC series motor are connected in series to produce torque t now if the Motors are connected in parallel then the the torque produce will be

Efficiency of transformer and condition for maximum efficiency of transformer

 


Efficiency of transformer and condition for maximum efficiency of transformer

in this video I will explain you
1. what is efficiency of transformer
2. how to calculate efficiency of transformer
3. condition of maximum efficiency of transformer

question- a transformer has maximum efficiency at full load when iron losses are 800 watt copper losses at half load will be



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Sunday, June 6, 2021

Capacitive transducer working principle and its type

 in this video I will explain you

1. what is capacitive transducer

2. capacitive transducer is an passive transducer

3. working principle of capacitive transducer

4. working of capacitive transducer

5. types of capacitive transducer

6. advantages of capacitive transducer



question- what is the order of minimum displacement that can be measured with capacitive transducer


Any three and half digital voltmeter the largest number that can be read is


 

Wednesday, June 2, 2021

Delayed sweep

 


in this video I will explain you
1. what is delayed sweep
2. how it used to add a previous amount of time between the trigger point and the beginning of the scope sweep

question - the technique of adding a precious amount time between the trigger point and the beginning of the scope suite in a CRO is known as