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Fleming's left-hand rule. Fleming's left-hand rule for electric motors is one of a pair of visual mnemonics, the other being Fleming's right-hand rule for generators. [1] [2] [3] They were originated by John Ambrose Fleming, in the late 19th century, as a simple way of working out the direction of motion in an electric motor, or the direction of electric current in an electric generator.
Cambridge IGCSE exams are conducted in three sessions: February/March (India only), May/June and October/November, and the results are released in May, August and January respectively. The exams are set by Cambridge Assessment International Education (CAIE), which is part of Cambridge Assessment that also includes OCR, a UK GCSE examination ...
Insides of a slip-stick piezoelectric motor. Two piezoelectric crystals are visible that provide the mechanical torque. [1]A piezoelectric motor or piezo motor is a type of electric motor based on the change in shape of a piezoelectric material when an electric field is applied, as a consequence of the converse piezoelectric effect.
Singapore only; available from 2014; last exam in 2017 syllabus: CIE 5067 Chemistry (Singapore) Yes Yes Exclusive Singapore only; last exam in 2014 CIE 5070 Chemistry: Yes Yes Yes Cannot be combined with syllabuses 0652, 0653 & 0654 & 5129 (O Level) link: CIE 5072 Chemistry (with Coursework) (Singapore) Yes Yes No Singapore only; last exam in 2014
Drafting or slipstreaming is an aerodynamic technique where two moving objects are aligning in a close group to exploit the lead object's slipstream and thus reduce the overall effect of drag. Especially when high speeds are involved, as in motor racing and cycling, drafting can significantly reduce the paceline 's average energy expenditure ...
However, this effect works using either polarity for the electrodes: the small or thin electrode can be either positive or negative, and the larger electrode must have the opposite polarity. [4] On many experimental sites it is reported that the thrust effect of a lifter is actually a bit stronger when the small electrode is the positive one. [1]
Grunvald said he was looking forward to seeing data on CagriSema’s effect on body composition, the makeup of muscle versus fat, as “there is some data that amylin activation may have less ...
General depiction of a motor unit, consisting of a motor neuron innervating a group of muscle fibers. Motor unit recruitment is the activation of additional motor units to accomplish an increase in contractile strength in a muscle. [1] A motor unit consists of one motor neuron and all of the muscle fibers it stimulates.