26 ELECTRIC DISCHARGES, WAVES AND IMPULSES,
The transients of magnetic flux, current, and voltage are nhown
as 1, B, and C in Fig. 13.
as 1, B, and C in Fig. 13.
The magnetic flux and therewith the current deereane from the
initial values $0 and to at the moment to of opening the Hwitdi fl,
on curves which must be steeper than those in Fig* IIt since the
•current passes through a greater resistance t r + r't and thereby
dissipates the stored magnetic energy at a greater rate.
initial values $0 and to at the moment to of opening the Hwitdi fl,
on curves which must be steeper than those in Fig* IIt since the
•current passes through a greater resistance t r + r't and thereby
dissipates the stored magnetic energy at a greater rate.
Fig. 13. — CharaotoriBtla* of Mitftiwtlo Bliiglt*-t*iwrgy T
The impressed voltage *o is withdrawn at the moment /«, and n
voltage thus induced from thte moment onward, of nueh vuhw IIH
voltage thus induced from thte moment onward, of nueh vuhw IIH
to produce the current i through the rtwttiittw r + r*» In t-lw
first moment, £0, the current is rtill n», ami the induced voltnga
thus must be
first moment, £0, the current is rtill n», ami the induced voltnga
thus must be
eo> . 4 (r + /),
while the impressed voltage? before fa, was
hence the induced voltage e0A is gn*ator than the imprtwHod volt-
age e0, in the same ratio m the remittance of tho dw(*hfirg<* circuit.
r + r' is greater than the reafetancw of the coil r through which tho
impressed voltage sends the current
age e0, in the same ratio m the remittance of tho dw(*hfirg<* circuit.
r + r' is greater than the reafetancw of the coil r through which tho
impressed voltage sends the current