Answer: 12.5 A
Explanation: power = current· voltage P=IU
Current I = P/U= 3000W / 240V
The film sensor and the long axis of the tooth must be aligned perpendicular to the central ray of the x-ray beam when using the paralleling approach.
To find the answer, we need to know above the paralleling technique in the dental x-ray.
<h3>What is paralleling technique?</h3>
- The paralleling technique is the most dependable method for capturing periapical x-rays because it produces high-quality images with little distortion.
- The central x-ray beam should be pointed perpendicular to the long axis of the tooth in issue, and the film should be positioned parallel to it.
- The paralleling technique is the most dependable method for capturing periapical x-rays because it produces high-quality images with little distortion.
- The central x-ray beam should be pointed perpendicular to the long axis of the tooth in issue, and the film should be positioned parallel to it.
- When preparing for an x-ray, it is imperative to keep in mind the root anatomy.
- The maxillary occlusal plane of the patient should also be parallel to the ground.
Thus, we can conclude that, the film sensor and the long axis of the tooth must be aligned perpendicular to the central ray of the x-ray beam when using the paralleling approach.
Learn more about paralleling technique here:
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Answer:
The minimum force that must be exerted by the mechanic at the end of a 30 cm-long wrench to loosen the nut is 110N
Explanation:
Torque = Fd sin θ
For a torque, the minimum force must be applied perpendicular to the lever arm, so that θ = 90° and sin θ = sin 90° = 1
Torque = 33 N.m
F = Force applied = ?
d = 30 cm = 0.3 m
F = Torque/d = 33/0.3 = 110 N
B. A small rubber ball bouncing near a little girl
It will be c conduction because it is direct contact with the hot cup and getting Burned by it
