In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If both inputs are positive the output is zero. This is
an AND circuit
an OR circuit
a high-pass filter
a NOR circuit
- Which of the following is the lightest metal ?
- Which of the following elements is obtained from sea weeds ?
- The property of a substance to absorb moisture from the air on exposure is called
- The metal used in storage batteries
- In an atomic nucleus, neutrons and protons are held together by
- Which of the following is in liquid form at room temperature ?
- The solar eclipse occurs when
- Nitrification means
- Bromine is
- The speed of light with the rise in the temperature of the medium
- Which of the following parts of the sun is easily visible only during a total solar eclipse?
- According to Daltons atomic theory the smallest particle which can exist independently is
- Brass gets discoloured in air due to the presence of which gas in air
- The type of glass used in making prisms and lenses is
- The major ingredient of leather is
- Rust is
- When a gas is turned into a liquid, the process is called
- The colour of Emerald is
- Earth's seasons are caused by which of the following?
- Pollination by birds is called
- Which of the following elements is a metal
- Which of the following items will be attracted to the north pole of a permanent magnet by a magnet force?
- Water has maximum density at
- The element present in the largest amount in rocks and minerals is
- In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If…
- Epoxy resins is used as
- Carbon tetrachloride fire extinguisher should not be used in closed room because it produces poisonous…
- The oxide of Nitrogen used in medicine as anaesthetic is
- The metallic constituents of hard water are
- The smallest functional and structural unit of kidney is called as