Right-Hand Rule #2 determines the direction of the magnetic field around a current-carrying wire and vice-versa . Point your thumb in the direction of the conventional current. The Right-Hand Rules give only the direction of the magnetic field.

The direction of magnetic field can be determined by using the right hand rule 2 (RHR-2). In this case you can point with your thumb in the direction of →v v → and the curled fingers pointing in the direction of ^r r ^ give the direction of magnetic field for a positive moving charge.

There are at least three ways to apply the Right Hand Rule. You can use whichever one you like best, or even make one up. But I suggest that you pick one way and stick to it to avoid getting confused. “Finger curling way”: First draw (or imagine) the vec-tors. Align your fingers along vectorv (the first one in the cross product).

静息心率（Resting Heart Rate，RHR）是指当您完全放松且不进行任何活动时的心率，通常以每分钟心跳数（beats per minute，bpm）表示。 静息心率是评估心血管健康和适应性的重要指标之一。 静息心率反映了心脏在最小负荷下的工作效率。 通常，较低的静息心率被认为是心血管健康和较高适应性的指标。 这意味着心脏能以较低的心跳次数向身体输送足够的血液。 经常锻炼的人往往有较低的静息心率，因为他们的心脏肌肉更强大，每次跳动能泵送更多的血液。 研究表 …

RHR #1 – Right Hand Rule #1 – Discovered by Danish scientist, Oersted. If current runs in a straight conductor, then a circular magnetic field is created. RHR #2 – Right Hand Rule #2 – Discovered by a British scientist, Faraday. If current travels in a circular path, a ‘bar magnet’ type magnetic field is created.

Mar 11, 2025 · • The second right hand rule helps us to determine which end of the electromagnet is North, or which direction the current is flowing in coiled wire. What does fingers and thumb represent? • Fingers are direction of the current flow, from positive to negative as it coils around.

The ratio F/l is the force per unit length between two parallel currents I1 I 1 and I2 I 2 separated by a distance r. The force is attractive if the currents are in the same direction and repulsive if they are in opposite directions.

靜止心率（Rest Hear Rate, RHR）代表的是在休息的狀態下，心臟每分鐘跳動的次數，正常人的靜止心率會落在 60-100 bpm（次／每分鐘），這通常也代表心臟供氧給全身所需要跳動的最低次數。

Use RHR-2 to determine the direction of the induced current I that is responsible for the induced magnetic field B. The direction (or polarity) of the induced emf will now drive a current in this direction and can be represented as current emerging from the positive terminal of the emf and returning to its negative terminal.

Use RHR-2 to determine the direction of the induced current I that is responsible for the induced magnetic field B. The direction (or polarity) of the induced emf will now drive a current in this direction and can be represented as current emerging from the positive terminal of the emf and returning to its negative terminal.