A Manual of Electrical Measurements |
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... ammeter , or the smallest step by which a resistance box may be changed . One may divide the space between the scale divisions into fifths or tenths with the eye , but there will be an uncertainty in the measure- ment of at least this ...
... ammeter , or the smallest step by which a resistance box may be changed . One may divide the space between the scale divisions into fifths or tenths with the eye , but there will be an uncertainty in the measure- ment of at least this ...
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... ammeter , a voltmeter , a variable resistance to limit the current , and a battery , as shown in the figure . Start with all resistance of the rheostat in the circuit and gradually increase the current until good deflections are ...
... ammeter , a voltmeter , a variable resistance to limit the current , and a battery , as shown in the figure . Start with all resistance of the rheostat in the circuit and gradually increase the current until good deflections are ...
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... ammeter circuit . The correct value of this current is then given by the expression I = V / R . A Q Repeat for other settings of the ammeter until the scale has been covered by a suitable number of points . Plot a graph , similar to ...
... ammeter circuit . The correct value of this current is then given by the expression I = V / R . A Q Repeat for other settings of the ammeter until the scale has been covered by a suitable number of points . Plot a graph , similar to ...
Contents
The Writing of Experimental Reports | |
THE GALVANOMETER | |
Exp 23 The Constants of a Current Galvanometer | |
Copyright | |
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adjust alternating current ammeter ampere amplifier applied average balance ballistic galvanometer battery bridge C₂ cable calculated calibration capacitance capacitor cathode cell charge circuit as shown computed Connect the circuit curve damping ratio determine device diagram dial direct current electrical electrometer equal equation experiment figure flux density frequency galvanometer galvanometer deflection graph grid potential heater high resistance impedance indicated inductor input instructor magnitude maximum meas MEASUREMENT OF RESISTANCE measuring circuit meter method milliamperes mutual inductance obtained ohmmeter ohms oscillator oscilloscope output plate current plate voltage plot position possible potential difference potentiometer probable error quantity R₁ R₂ range reading Repeat resistance boxes resistor resonance rheostat S₁ scale self-inductance sensitivity series capacitance shunt sistance solenoid standard suitable switch temperature terminals thermistor thermocouple uncertainty unknown vacuum thermocouple vacuum tube variable varistor vector voltmeter volts wattmeter wire zero