What is the drawback of class b amplifier? How is this minimized?

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What is precision of a measurement?

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what rectifiers is and what are the types of rectifiers?

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how to get 48 V DC I have ... 1. 12 volt power supply board 2. DC power supply ( max. 30 v) 3. 9 volt batteries ( 2 - not chargeble)

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On a 3 winding transformer YNynd11, how do you apply REF protection to the Delta tertiary winding that is supplying auxiliaries to a substation?

0 Answers   Kwekwe Polytechnic,

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what is zero sequence curr ent ?

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What is the IS standard for MCCB to be use (As per capacity of AMP)& for ACB also.

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We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob.that motor winding temp increase up to 135 deg.we want reduce this temp.what to do?we arrange ext.cooling fan but not much effect.we want reduce this temp. Inhouse without affecting much.cost. also don't want reWINDING OF MOTOR?

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what is meant by line voltage and phase voltage in a three phase transformer?

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Why generation voltage in thermal power plant is between 11kv to 33kv?

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What is the Surge suppresor? Why using in a UDB's and How it works?

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how many types of transformer.

3 Answers   Technocrats,

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