Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 360V and 240V One of the meters out of the range and other 100V 400V and 200V 300V each 360V and 240V One of the meters out of the range and other 100V 400V and 200V 300V each ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Low frequencies High frequencies Power frequencies High load on the transformer Low frequencies High frequencies Power frequencies High load on the transformer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read 20. 10. 20√3. 10√3. 20. 10. 20√3. 10√3. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 248 V. 250 V. 260 V. 252 V. 248 V. 250 V. 260 V. 252 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for DC only Both DC and AC AC only Any of the listed here DC only Both DC and AC AC only Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of mutual inductance we can use Heavyside bridge Anderson bridge Maxwell's bridge Any of the listed here Heavyside bridge Anderson bridge Maxwell's bridge Any of the listed here ANSWER DOWNLOAD EXAMIANS APP