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What causes the polarity of a water molecule?
the unequal sharing of electrons
What causes of high melting point of water?
High polarity and hydrogen bonds.
What causes the electrical polarity of the armature to reverse?
poles of an armature can be reversed by the arrangement of split-rings
What are two examples of polarity?
-- negative polarity -- positive polarity
How is polarity related to surface tension?
Polarity is related to surface tension because it creates an imbalance in charge distribution at the surface of a liquid. This imbalance results in stronger intermolecular forces at the surface, leading to a cohesive force that resists external forces and causes the liquid to form a distinct surface. Substances with higher polarity generally exhibit higher surface tension due to the stronger intermolecular attractions present.
What are the top causes of exploding car batteries?
Hooking the battery cables up incorrectly. Reversing the polarity can cause the battery to explode.
What are the causes of failure of d.c shunt generator to excite?
no residual magnetism in the stator. this can happen with an overload which will occasionally even reverse the output polarity
What problems are there with reverse polarity?
Reversing polarity ,changes the rotation of the device you are changing polarity on.
What causes polarity between two atoms?
Polarity between two atoms is caused by a significant difference in electronegativity. This means that one atom can attract the electron in a covalent bond more than the other such that it becomes slighlt neagtive and the other slightly positive.
Does space have polarity?
No. Electromagnetic fields have polarity.
What causes water to be a polor molecule?
Oxygen is a highly electronegative element that draws electrons towards itself causing an imbalance of charge and hence polarity.
What is the necessary to know the polarity of voltage drop across a resistance?
Sometimes it isn't.Another AnswerVoltage drops don't have polarity in the sense of a positive or negative charge. The term 'polarity', when applied to voltage drops, describe the sense or the direction in which that voltage drop is acting within the circuit. The rule is that a voltage drop always acts in the opposite direction to the current which causes it. An example of when it's necessary to know the polarity (direction) of a voltage drop is when applying Kirchhoff's Laws or other network theorems to solve a circuit
