This print-out should have 10 questions. Multiple-choice questions may continue

Question

This print-out should have 10 questions. Multiple-choice questions may continue on the next column or page find all choices How mch work must you do to br before answering. 006 (part 3 of 3) 10.0 points 0.02 C test charge frorn 12cm to 3cm Answer in units of J 001 10.0 points 007 10.0 points The potential difference between a storm cloud and the ground is 1.46x10 V An electric field is given by Ez-(2 kN/ If a bolt carrying 4 C falls from a cloud teo Earth. what is the magnitude of the change of potential energy of the charge? Find the potential difference betwee points on the z-axis at z = 1 m and Answer in units of kV Answer in units of J 008 10.0 points 002 (part 1 of 2) 10.0 points Two flat conductors are placed with the er faces separated by 12 mm. An electric field does 9 J of work on a 0.0003C charge If the surface charge density on What is the magnitude of the voltage face A is 78 pC/m and on inner fa change? is -78 pC/m2, calculate the electri Answer in units of V tential difference - Va-va. 60-885419 × 10-12 C2/N Answer in units of V 003 (part 2 of 2) 10.0 points The same electric field does 18 J of work on a 0.0006 C charge 009 (part 1 of 2) 10.0 points What is the magnitude of the voltaCsider a uniformly charged insu change now? sphere with radius R and total charge side the sphere. Answer in units of V 004 (part 1 of 3) 10.0 points A long cylindrical insulator has a niform charge density of 0.7 C/m" and a radius of 6 cm If Q = 4.3 × 10-6 C, what is the of the electric field at r ? K Beg k Q What is the electric field inside the insulator at a distance of 3 cm? The permeability of free space is 8.85419 × 10-12 C2/N/m2 3. E kQR Answer in units of N/C 4. 2 R2 005 (part 2 of 3) 10.0 points What is the electric field at 12 cm? 4 R2 Answer in units of N/C.

Explanation / Answer

1)

Potential difference = Change in PE/charge

i.e.

V = U / q

So,

U = qV

U = (4)(1.46*10^8)

U = 5.84*108 J

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