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GATE 2019: Electrical & Electronics Measurements Rapid Quiz 2
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Question 1
At an Substation with a 6 MW load a capacitor of 3 MVAR is installed to maintain the load power factor 0.95 lagging. If the capacitor gets damage the load power factor become–
Question 2
The bridge method commonly used for finding mutual inductance is
Question 3
Find the current I and deflection torque with the values given in the table at deflection angle θ = 60° and spring constant is Kc= 0.02x10-6 Nm/°.
| θ | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 |
| L(μH) | 325 | 335 | 345 | 355 | 365 | 375 | 385 | 395 |
Question 4
A galvanometer has a resistance of 50 Ohms and it deflects full scale when a current of 10mA flows in it. How it can be converted into an ammeter of range 10A?
Question 5
The pointer of a moving coil instrument gives full scale deflection of 20mA. The potential difference across the meter when carrying 20mA is 400mV.The instrument to be used is 200A for full scale deflection. Find the shunt resistance required to achieve this, if the instrument to be used as a voltmeter for full scale reading with 1000V. Find the series resistance to be connected it?
Question 6
At the balance condition of the ac bridge shown in the figure below, the value of Z4 would be _______ ∠-70o Ω.
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Nov 15ESE & GATE EE
