A Lightning Strike Storm clouds build up large negative charges, as described in the chapter. The charges dwell in charge centers, regions of concentrated charge. Suppose a cloud has –25 C in a 1.0|dash|km|dash|diameter spherical charge center located 10 km above the ground, as sketched in Figure P21.86. The negative charge center attracts a similar amount of positive charge that is spread on the ground below the cloud. Figure P21.86 The charge center and the ground function as a charged capacitor, with a potential difference of approximately 4 × 10 8 V. The large electric field between these two "electrodes" may ionize the air, leading to a conducting path between the cloud and the ground. Charges will flow along this conducting path, causing a discharge of the capacitor-a lightning strike. What is the approximate magnitude of the electric field between the charge center and the ground? A. 4 × 10 4 V/m B. 4 × 10 5 V/m C. 4 × 10 6 V/m D. 4 × 10 7 V/m
A Lightning Strike Storm clouds build up large negative charges, as described in the chapter. The charges dwell in charge centers, regions of concentrated charge. Suppose a cloud has –25 C in a 1.0|dash|km|dash|diameter spherical charge center located 10 km above the ground, as sketched in Figure P21.86. The negative charge center attracts a similar amount of positive charge that is spread on the ground below the cloud. Figure P21.86 The charge center and the ground function as a charged capacitor, with a potential difference of approximately 4 × 10 8 V. The large electric field between these two "electrodes" may ionize the air, leading to a conducting path between the cloud and the ground. Charges will flow along this conducting path, causing a discharge of the capacitor-a lightning strike. What is the approximate magnitude of the electric field between the charge center and the ground? A. 4 × 10 4 V/m B. 4 × 10 5 V/m C. 4 × 10 6 V/m D. 4 × 10 7 V/m
Storm clouds build up large negative charges, as described in the chapter. The charges dwell in charge centers, regions of concentrated charge. Suppose a cloud has –25 C in a 1.0|dash|km|dash|diameter spherical charge center located 10 km above the ground, as sketched in Figure P21.86. The negative charge center attracts a similar amount of positive charge that is spread on the ground below the cloud.
Figure P21.86
The charge center and the ground function as a charged capacitor, with a potential difference of approximately 4 × 108 V. The large electric field between these two "electrodes" may ionize the air, leading to a conducting path between the cloud and the ground. Charges will flow along this conducting path, causing a discharge of the capacitor-a lightning strike.
What is the approximate magnitude of the electric field between the charge center and the ground?
the cable may break and cause severe injury.
cable is more likely to break as compared to the
[1]
ds, inclined at angles of 30° and 50° to the vertical
rings by way of a scaled diagram. [4]
I
30°
T₁
3cm
3.8T2
cm
200 N
50°
at it is headed due North and its airspeed indicat
240 km/h. If there is a wind of 100 km/h from We
e relative to the Earth? [3]
Can you explain this using nodal analysis
With the nodes I have present
And then show me how many KCL equations I need to write, I’m thinking 2 since we have 2 dependent sources
Chapter 21 Solutions
College Physics: A Strategic Approach (3rd Edition)
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