In a nuclear fusion process, four protons each of mass Mp were fused to produce…
In a nuclear fusion process, four protons each of mass Mp were fused to produce a nucleus X…
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4g of a radioactive material of half-life 10 days is spilled on a laboratory floor….
4g of a radioactive material of half-life 10 days is spilled on a laboratory floor. How long would…
which of the following statements are TRUE of isotopes? i. isotopes of an element have…
which of the following statements are TRUE of isotopes? i. isotopes of an element have the same chemical…
When an atom loses or gains a charge, it becomes
When an atom loses or gains a charge, it becomes A. an electron B. an ion C. a…
An equipment whose power is 1500W and resistance is 375 ohms would draw a current…
An equipment whose power is 1500W and resistance is 375 ohms would draw a current of A. 0.10A…
Which of the following obeys Ohm’s Law?
Which of the following obeys Ohm’s Law? A. Glass B. Diode C. All electrolytes D. All metals Correct…
To convert an alternating current dynamo into a direct current dynamo, the
To convert an alternating current dynamo into a direct current dynamo, the A. number of turns in the…
If a current carrying coil is mounted on a metal frame, the back e.m.f. induced…
If a current carrying coil is mounted on a metal frame, the back e.m.f. induced in the coil…
The electrochemical equivalent of platinum is 5.0 x 10-7kgC-1 to plate-out 1.0kg of platinum, a…
The electrochemical equivalent of platinum is 5.0 x 10-7kgC-1 to plate-out 1.0kg of platinum, a current of 100A…
An insulated rod when rubbed with a material acquires
An insulated rod when rubbed with a material acquires A. a negative charge if it is made of…