effects of time-varying impulses on a ballistic galvanometer
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effects of time-varying impulses on a ballistic galvanometer by David Davis Woodbridge

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Published .
Written in English

Subjects:

  • Galvanometer.,
  • Ballistics.

Book details:

Edition Notes

Statementby David Davis Woodbridge.
The Physical Object
Pagination111 leaves, bound :
Number of Pages111
ID Numbers
Open LibraryOL17928679M

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  A method was developed for obtaining traces of the motion of a ballistic galvanometer coil as a function of time. The traces show that the lag of the galvanometer coil depends on the impulse time. The study also shows the relationship between the impulse time and the maximum deflection of the galvanometer by: 3. Not Available adshelp[at] The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86AAuthor: David Davis Woodbridge. Effects of Time-Varying Impulses on a Ballistic Galvanometer Woodbridge, David D.; Varner, W. R. A method was developed for obtaining traces of the motion of a ballistic galvanometer coil as a function of time. The traces show that the lag of the galvanometer coil depends on the impulse time. Ballistics is the study of the motion of a body, such as a projectile, which is set off by a blow, and then allowed to move freely, we mean without friction. A ballistic galvanometer is one used to measure an electrical blow, or impulse: for example, the charge Q which circulates when a capacitor is discharged through it.

  A ballistic galvanometer is a type of sensitive galvanometer; commonly a mirror galvanometer. In operation the unknown quantity of charge Q (in coulombs) is simply: Q = k d {\displaystyle Q=kd} Q=kd. Its construction is similar to that of a ballistic galvanometer, but its coil is suspended without any restoring forces in the. THEORY OF BALLISTIC GALVANOMETER B.G. consists of a rectangular coil of area A and number of turns N suspended in a uniform magnetic field B. Let it carry a current I for a short interval of time dt. Then the momentary torque on the coil is given by T N A B → = → × F → HG I Ι KJ As the plane of the coil is always parallel to B, T = N I A B. Ballistic Galvanometer Author @ Subject: Advanced Physics Created Date: 1/8/ PM File Size: 1MB. Ballistic Galvanometer Definition: The galvanometer which is used for estimating the quantity of charge flow through it is called the ballistic working principle of the ballistic galvanometer is very simple. It depends on the deflection of the coil which is directly proportional to the charge passes through it.

A ballistic galvanometer is a type of sensitive galvanometer; commonly a mirror a current-measuring galvanometer, the moving part has a large moment of inertia, thus giving it a long oscillation period. It is really an integrator measuring the quantity of charge discharged through it. It can be either of the moving coil or moving magnet type. — BALLISTIC GALVANOMETERS OF LONG PERIOD. and these expressions involve X and 8 but are independent of the sensitiveness of the galvanometer and of its time of swing. It is possible to show from equations (44) and (45), after some com- putation, that for the case of the galvanometer V, for which we may- take a = , P = ; A"/A. Galvanometer: Galvanometer is an instrument used for the detection and measurement of charge current and potential difference. Depending upon its uses galvanometers can be divided into two: (1) Ballistic galvanometer: This is mainly used for the detection and measurement of File Size: KB. EXPERIMENT NO.8 OBJECT: To determine the high resistance by method of leakage of charge using a Ballistic galvanometer APPARTUS: A Ballistics galvanometer, a battery, two rheostats, a standard capacitor, stop watch, keys and a resistor whose resistance is to be determined. DIAGRAM B.G. Ω KEY 26 R K4 K3 BATTERY K2 K1 DAMPING KEYFile Size: 38KB.